74539572 has 12 divisors (see below), whose sum is σ = 173925696. Its totient is φ = 24846520.

The previous prime is 74539567. The next prime is 74539583. The reversal of 74539572 is 27593547.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×74539572² = 11112295587886368, which contains 22 as substring.

It is a congruent number.

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, 3105804 + ... + 3105827.

It is an arithmetic number, because the mean of its divisors is an integer number (14493808).

Almost surely, 2^74539572 is an apocalyptic number.

It is an amenable number.

74539572 is an abundant number, since it is smaller than the sum of its proper divisors (99386124).

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

74539572 is a wasteful number, since it uses less digits than its factorization.

74539572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211638 (or 6211636 counting only the distinct ones).

The product of its digits is 264600, while the sum is 42.

The square root of 74539572 is about 8633.6302909031. The cubic root of 74539572 is about 420.8515828398.

The spelling of 74539572 in words is "seventy-four million, five hundred thirty-nine thousand, five hundred seventy-two".