74552317956 has 36 divisors (see below), whose sum is σ = 199537087932. Its totient is φ = 23388962304.

The previous prime is 74552317951. The next prime is 74552317963. The reversal of 74552317956 is 65971325547.

It is a happy number.

74552317956 is a `hidden beast` number, since 7 + 4 + 552 + 31 + 7 + 9 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 68547617856 + 6004700100 = 261816^2 + 77490^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×74552317956² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74552317951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60908145 + ... + 60909368.

It is an arithmetic number, because the mean of its divisors is an integer number (5542696887).

Almost surely, 2^74552317956 is an apocalyptic number.

It is an amenable number.

74552317956 is an abundant number, since it is smaller than the sum of its proper divisors (124984769976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74552317956 is a wasteful number, since it uses less digits than its factorization.

74552317956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121817540 (or 121817535 counting only the distinct ones).

The product of its digits is 7938000, while the sum is 54.

The spelling of 74552317956 in words is "seventy-four billion, five hundred fifty-two million, three hundred seventeen thousand, nine hundred fifty-six".