74618505672 has 16 divisors (see below), whose sum is σ = 186546264240. Its totient is φ = 24872835216.

The previous prime is 74618505667. The next prime is 74618505691. The reversal of 74618505672 is 27650581647.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1554552178 + ... + 1554552225.

It is an arithmetic number, because the mean of its divisors is an integer number (11659141515).

Almost surely, 2^74618505672 is an apocalyptic number.

It is an amenable number.

74618505672 is an abundant number, since it is smaller than the sum of its proper divisors (111927758568).

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

74618505672 is a wasteful number, since it uses less digits than its factorization.

74618505672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109104412 (or 3109104408 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 74618505672 in words is "seventy-four billion, six hundred eighteen million, five hundred five thousand, six hundred seventy-two".