74020672544 has 48 divisors (see below), whose sum is σ = 179357790528. Its totient is φ = 29282902272.

The previous prime is 74020672501. The next prime is 74020672547. The reversal of 74020672544 is 44527602047.

It is not an unprimeable number, because it can be changed into a prime (74020672547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12706682 + ... + 12712505.

It is an arithmetic number, because the mean of its divisors is an integer number (3736620636).

Almost surely, 2^74020672544 is an apocalyptic number.

It is an amenable number.

74020672544 is an abundant number, since it is smaller than the sum of its proper divisors (105337117984).

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

74020672544 is a wasteful number, since it uses less digits than its factorization.

74020672544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25419217 (or 25419209 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 41.

The spelling of 74020672544 in words is "seventy-four billion, twenty million, six hundred seventy-two thousand, five hundred forty-four".