74393594056 has 64 divisors (see below), whose sum is σ = 149729817600. Its totient is φ = 34526988288.

The previous prime is 74393594021. The next prime is 74393594057. The reversal of 74393594056 is 65049539347.

It is a super-2 number, since 2×74393594056² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74393593988 and 74393594006.

It is not an unprimeable number, because it can be changed into a prime (74393594057) 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 15 ways as a sum of consecutive naturals, for example, 11095201 + ... + 11101903.

It is an arithmetic number, because the mean of its divisors is an integer number (2339528400).

Almost surely, 2^74393594056 is an apocalyptic number.

It is an amenable number.

74393594056 is an abundant number, since it is smaller than the sum of its proper divisors (75336223544).

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

74393594056 is a wasteful number, since it uses less digits than its factorization.

74393594056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7838 (or 7834 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 55.

The spelling of 74393594056 in words is "seventy-four billion, three hundred ninety-three million, five hundred ninety-four thousand, fifty-six".