74785584056 has 16 divisors (see below), whose sum is σ = 140247790200. Its totient is φ = 37386173344.

The previous prime is 74785584053. The next prime is 74785584067. The reversal of 74785584056 is 65048558747.

It is a super-2 number, since 2×74785584056² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74785583986 and 74785584004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74785584053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779150 + ... + 869853.

Almost surely, 2^74785584056 is an apocalyptic number.

It is an amenable number.

74785584056 is a deficient number, since it is larger than the sum of its proper divisors (65462206144).

74785584056 is a wasteful number, since it uses less digits than its factorization.

74785584056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654678 (or 1654674 counting only the distinct ones).

The product of its (nonzero) digits is 37632000, while the sum is 59.

The spelling of 74785584056 in words is "seventy-four billion, seven hundred eighty-five million, five hundred eighty-four thousand, fifty-six".