74120534779056 has 40 divisors (see below), whose sum is σ = 191935036413120. Its totient is φ = 24647878702656.

The previous prime is 74120534779043. The next prime is 74120534779133. The reversal of 74120534779056 is 65097743502147.

It is a super-2 number, since 2×74120534779056² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1842674170 + ... + 1842714393.

It is an arithmetic number, because the mean of its divisors is an integer number (4798375910328).

Almost surely, 2^{74120534779056} is an apocalyptic number.

It is an amenable number.

74120534779056 is an abundant number, since it is smaller than the sum of its proper divisors (117814501634064).

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

74120534779056 is a wasteful number, since it uses less digits than its factorization.

74120534779056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685388993 (or 3685388987 counting only the distinct ones).

The product of its (nonzero) digits is 44452800, while the sum is 60.

The spelling of 74120534779056 in words is "seventy-four trillion, one hundred twenty billion, five hundred thirty-four million, seven hundred seventy-nine thousand, fifty-six".