74432072 has 32 divisors (see below), whose sum is σ = 163961280. Its totient is φ = 31229760.

The previous prime is 74432053. The next prime is 74432093. The reversal of 74432072 is 27023447.

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, 31388 + ... + 33675.

It is an arithmetic number, because the mean of its divisors is an integer number (5123790).

Almost surely, 2^74432072 is an apocalyptic number.

It is an amenable number.

74432072 is an abundant number, since it is smaller than the sum of its proper divisors (89529208).

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

74432072 is a wasteful number, since it uses less digits than its factorization.

74432072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65093 (or 65089 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 74432072 is about 8627.4023900592. The cubic root of 74432072 is about 420.6491699456.

The spelling of 74432072 in words is "seventy-four million, four hundred thirty-two thousand, seventy-two".