742,840 in words
742,840
seven hundred forty-two thousand eight hundred forty
742,840 is written seven hundred forty-two thousand eight hundred forty.
Ways to write it
- As an ordinal
- seven hundred forty-two thousand eight hundred fortieth
- Expanded form
- 700,000 + 40,000 + 2,000 + 800 + 40
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 7 | 700,000 |
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 8 | 800 |
| tens | 4 | 40 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 379, 392, 490, 758, 980, 1,516, 1,895, 1,960, 2,653, 3,032, 3,790, 5,306, 7,580, 10,612, 13,265, 15,160, 18,571, 21,224, 26,530, 37,142, 53,060, 74,284, 92,855, 106,120, 148,568, 185,710, 371,420 and 742,840 (48 factors)
- First 10 multiples
- 742,840, 1,485,680, 2,228,520, 2,971,360, 3,714,200, 4,457,040, 5,199,880, 5,942,720, 6,685,560, 7,428,400
- Square
- 742,840 × 742,840 = 551,811,265,600
- Square root
- ≈ 861.88
- Sum of the digits
- 7 + 4 + 2 + 8 + 4 + 0 = 25
- Rounded to the nearest 10
- 742,840
- Rounded to the nearest 100
- 742,800
- Rounded to the nearest 1000
- 743,000
- Number before
- 742,839
- Number after
- 742,841
- In binary
10110101010110111000
Quick check
What number comes just after 742,840?
Show the answer
742,841
Is 742,840 even or odd?
Show the answer
Even
What is 742,840 + 10?
Show the answer
742,850
Practice with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 742,840 in words?
742,840 is written "seven hundred forty-two thousand eight hundred forty".
Is 742,840 a prime number?
No. 742,840 is a composite number, because it has more than two factors.
What are the factors of 742,840?
The factors of 742,840 are 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 379, 392, 490, 758, 980, 1,516, 1,895, 1,960, 2,653, 3,032, 3,790, 5,306, 7,580, 10,612, 13,265, 15,160, 18,571, 21,224, 26,530, 37,142, 53,060, 74,284, 92,855, 106,120, 148,568, 185,710, 371,420 and 742,840.