74438764 has 36 divisors (see below), whose sum is σ = 137745664. Its totient is φ = 35193312.

The previous prime is 74438753. The next prime is 74438773. The reversal of 74438764 is 46783447.

It is a super-2 number, since 2×74438764² = 11082259171695392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74438764.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268594 + ... + 268870.

Almost surely, 2^74438764 is an apocalyptic number.

It is an amenable number.

74438764 is a deficient number, since it is larger than the sum of its proper divisors (63306900).

74438764 is a wasteful number, since it uses less digits than its factorization.

74438764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 429 counting only the distinct ones).

The product of its digits is 451584, while the sum is 43.

The square root of 74438764 is about 8627.7902153448. The cubic root of 74438764 is about 420.6617760700.

The spelling of 74438764 in words is "seventy-four million, four hundred thirty-eight thousand, seven hundred sixty-four".