74364872 has 8 divisors (see below), whose sum is σ = 139434150. Its totient is φ = 37182432.

The previous prime is 74364859. The next prime is 74364887. The reversal of 74364872 is 27846347.

It can be written as a sum of positive squares in only one way, i.e., 50608996 + 23755876 = 7114^2 + 4874^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4647797 + ... + 4647812.

Almost surely, 2^74364872 is an apocalyptic number.

It is an amenable number.

74364872 is a deficient number, since it is larger than the sum of its proper divisors (65069278).

74364872 is a wasteful number, since it uses less digits than its factorization.

74364872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9295615 (or 9295611 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 74364872 is about 8623.5069432337. The cubic root of 74364872 is about 420.5225393380.

The spelling of 74364872 in words is "seventy-four million, three hundred sixty-four thousand, eight hundred seventy-two".