74532272 has 20 divisors (see below), whose sum is σ = 145049496. Its totient is φ = 37100160.

The previous prime is 74532253. The next prime is 74532299. The reversal of 74532272 is 27223547.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6629 + ... + 13892.

Almost surely, 2^74532272 is an apocalyptic number.

It is an amenable number.

74532272 is a deficient number, since it is larger than the sum of its proper divisors (70517224).

74532272 is a wasteful number, since it uses less digits than its factorization.

74532272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20756 (or 20750 counting only the distinct ones).

The product of its digits is 23520, while the sum is 32.

The square root of 74532272 is about 8633.2075151707. The cubic root of 74532272 is about 420.8378437535.

The spelling of 74532272 in words is "seventy-four million, five hundred thirty-two thousand, two hundred seventy-two".