74399344 has 20 divisors (see below), whose sum is σ = 152628624. Its totient is φ = 35011328.

The previous prime is 74399329. The next prime is 74399371. The reversal of 74399344 is 44399347.

It is a self number, because there is not a number n which added to its sum of digits gives 74399344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136492 + ... + 137035.

Almost surely, 2^74399344 is an apocalyptic number.

It is an amenable number.

74399344 is an abundant number, since it is smaller than the sum of its proper divisors (78229280).

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

74399344 is a wasteful number, since it uses less digits than its factorization.

74399344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273552 (or 273546 counting only the distinct ones).

The product of its digits is 326592, while the sum is 43.

The square root of 74399344 is about 8625.5054344659. The cubic root of 74399344 is about 420.5875073497.

The spelling of 74399344 in words is "seventy-four million, three hundred ninety-nine thousand, three hundred forty-four".