74550972 has 24 divisors (see below), whose sum is σ = 174832000. Its totient is φ = 24724656.

The previous prime is 74550961. The next prime is 74550989. The reversal of 74550972 is 27905547.

It is a super-2 number, since 2×74550972² = 11115694852289568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74550972.

It is a congruent number.

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, 13222 + ... + 17997.

Almost surely, 2^74550972 is an apocalyptic number.

It is an amenable number.

74550972 is an abundant number, since it is smaller than the sum of its proper divisors (100281028).

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

74550972 is a wasteful number, since it uses less digits than its factorization.

74550972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31425 (or 31423 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 74550972 is about 8634.2904746134. The cubic root of 74550972 is about 420.8730366053.

The spelling of 74550972 in words is "seventy-four million, five hundred fifty thousand, nine hundred seventy-two".