75225746 has 8 divisors (see below), whose sum is σ = 112972860. Its totient is φ = 37568128.

The previous prime is 75225727. The next prime is 75225817. The reversal of 75225746 is 64752257.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56085121 + 19140625 = 7489^2 + 4375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×75225746² = 11317825722513032, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20231 + ... + 23658.

Almost surely, 2^75225746 is an apocalyptic number.

75225746 is a deficient number, since it is larger than the sum of its proper divisors (37747114).

75225746 is a wasteful number, since it uses less digits than its factorization.

75225746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44748.

The product of its digits is 117600, while the sum is 38.

The square root of 75225746 is about 8673.2776964652. The cubic root of 75225746 is about 422.1390233985.

The spelling of 75225746 in words is "seventy-five million, two hundred twenty-five thousand, seven hundred forty-six".