74528597056 has 14 divisors (see below), whose sum is σ = 147892684910. Its totient is φ = 37264298496.

The previous prime is 74528597053. The next prime is 74528597137. The reversal of 74528597056 is 65079582547.

It can be written as a sum of positive squares in only one way, i.e., 71939822656 + 2588774400 = 268216^2 + 50880^2 .

It is a super-2 number, since 2×74528597056² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74528597053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582254601 + ... + 582254728.

Almost surely, 2^74528597056 is an apocalyptic number.

It is an amenable number.

74528597056 is a deficient number, since it is larger than the sum of its proper divisors (73364087854).

74528597056 is a wasteful number, since it uses less digits than its factorization.

74528597056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164509341 (or 1164509331 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 58.

The spelling of 74528597056 in words is "seventy-four billion, five hundred twenty-eight million, five hundred ninety-seven thousand, fifty-six".