74772572 has 12 divisors (see below), whose sum is σ = 149545200. Its totient is φ = 32045376.

The previous prime is 74772553. The next prime is 74772587. The reversal of 74772572 is 27527747.

74772572 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 1335197 + ... + 1335252.

It is an arithmetic number, because the mean of its divisors is an integer number (12462100).

Almost surely, 2^74772572 is an apocalyptic number.

It is an amenable number.

74772572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74772572 is a wasteful number, since it uses less digits than its factorization.

74772572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670460 (or 2670458 counting only the distinct ones).

The product of its digits is 192080, while the sum is 41.

The square root of 74772572 is about 8647.1135068299. The cubic root of 74772572 is about 421.2896339361.

The spelling of 74772572 in words is "seventy-four million, seven hundred seventy-two thousand, five hundred seventy-two".