74377472 has 36 divisors (see below), whose sum is σ = 159891900. Its totient is φ = 34326528.

The previous prime is 74377441. The next prime is 74377481. The reversal of 74377472 is 27477347.

It can be written as a sum of positive squares in 2 ways, for example, as 11397376 + 62980096 = 3376^2 + 7936^2 .

It is a super-2 number, since 2×74377472² = 11064016682221568, which contains 22 as substring.

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, 7847 + ... + 14502.

Almost surely, 2^74377472 is an apocalyptic number.

It is an amenable number.

74377472 is an abundant number, since it is smaller than the sum of its proper divisors (85514428).

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

74377472 is a wasteful number, since it uses less digits than its factorization.

74377472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22378 (or 22364 counting only the distinct ones).

The product of its digits is 230496, while the sum is 41.

The square root of 74377472 is about 8624.2374735393. The cubic root of 74377472 is about 420.5462883861.

The spelling of 74377472 in words is "seventy-four million, three hundred seventy-seven thousand, four hundred seventy-two".