74458372 has 6 divisors (see below), whose sum is σ = 130302158. Its totient is φ = 37229184.

The previous prime is 74458367. The next prime is 74458381. The reversal of 74458372 is 27385447.

It can be written as a sum of positive squares in only one way, i.e., 52330756 + 22127616 = 7234^2 + 4704^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9307293 + ... + 9307300.

Almost surely, 2^74458372 is an apocalyptic number.

It is an amenable number.

74458372 is a deficient number, since it is larger than the sum of its proper divisors (55843786).

74458372 is a wasteful number, since it uses less digits than its factorization.

74458372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18614597 (or 18614595 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 74458372 is about 8628.9264685707. The cubic root of 74458372 is about 420.6987084940.

The spelling of 74458372 in words is "seventy-four million, four hundred fifty-eight thousand, three hundred seventy-two".