74900872 has 32 divisors (see below), whose sum is σ = 143878680. Its totient is φ = 36541440.

The previous prime is 74900849. The next prime is 74900873. The reversal of 74900872 is 27800947.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 72692676 + 2208196 = 8526^2 + 1486^2 .

It is a super-2 number, since 2×74900872² = 11220281252720768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74900873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101818 + ... + 102550.

Almost surely, 2^74900872 is an apocalyptic number.

It is an amenable number.

74900872 is a deficient number, since it is larger than the sum of its proper divisors (68977808).

74900872 is a wasteful number, since it uses less digits than its factorization.

74900872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 74900872 is about 8654.5289877613. The cubic root of 74900872 is about 421.5304556391.

The spelling of 74900872 in words is "seventy-four million, nine hundred thousand, eight hundred seventy-two".