74552072 has 32 divisors (see below), whose sum is σ = 169153920. Its totient is φ = 30071040.

The previous prime is 74552047. The next prime is 74552113. The reversal of 74552072 is 27025547.

It is a super-2 number, since 2×74552072² = 11116022878986368, which contains 22 as substring.

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, 38204 + ... + 40107.

It is an arithmetic number, because the mean of its divisors is an integer number (5286060).

Almost surely, 2^74552072 is an apocalyptic number.

It is an amenable number.

74552072 is an abundant number, since it is smaller than the sum of its proper divisors (94601848).

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

74552072 is a wasteful number, since it uses less digits than its factorization.

74552072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78341 (or 78337 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 74552072 is about 8634.3541738801. The cubic root of 74552072 is about 420.8751065897.

The spelling of 74552072 in words is "seventy-four million, five hundred fifty-two thousand, seventy-two".