74372272 has 20 divisors (see below), whose sum is σ = 155181040. Its totient is φ = 34325568.

The previous prime is 74372219. The next prime is 74372299. The reversal of 74372272 is 27227347.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 178572 + ... + 178987.

It is an arithmetic number, because the mean of its divisors is an integer number (7759052).

Almost surely, 2^74372272 is an apocalyptic number.

It is an amenable number.

74372272 is an abundant number, since it is smaller than the sum of its proper divisors (80808768).

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

74372272 is a wasteful number, since it uses less digits than its factorization.

74372272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357580 (or 357574 counting only the distinct ones).

The product of its digits is 32928, while the sum is 34.

The square root of 74372272 is about 8623.9359923413. The cubic root of 74372272 is about 420.5364875167.

The spelling of 74372272 in words is "seventy-four million, three hundred seventy-two thousand, two hundred seventy-two".