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75 in words

75

seventy-five

75 is written seventy-five.

Ways to write it

As an ordinal: seventy-fifth
Roman numeral: LXXV
Expanded form: 70 + 5

Place value

Place	Digit	Value
tens	7	70
ones	5	5

Number facts

Even or odd: Odd
Prime or composite: Composite
Factors: 1, 3, 5, 15, 25 and 75 (6 factors)
First 10 multiples: 75, 150, 225, 300, 375, 450, 525, 600, 675, 750
Square: 75 × 75 = 5,625
Square root: ≈ 8.66
Sum of the digits: 7 + 5 = 12
Rounded to the nearest 10: 80
Number before: 74
Number after: 76
In binary: 1001011

Quick check

What number comes just after 75?
Show the answer
76
Is 75 even or odd?
Show the answer
Odd
What is 75 + 10?
Show the answer
85

Practice with a game

Count with Me

Count pictures up to 5, 10 or 20 and compare groups.

Place Value Quest

Ones, tens, hundreds and thousands.

Times Tables Challenge

Practice any times table from 2× to 12×.

Frequently asked questions

How do you write 75 in words?

75 is written "seventy-five".

Is 75 a prime number?

No. 75 is a composite number, because it has more than two factors.

What are the factors of 75?

The factors of 75 are 1, 3, 5, 15, 25 and 75.

How do you write 75 in Roman numerals?

75 in Roman numerals is LXXV.