74328816 has 20 divisors (see below), whose sum is σ = 192016232. Its totient is φ = 24776256.

The previous prime is 74328791. The next prime is 74328823. The reversal of 74328816 is 61882347.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774211 + ... + 774306.

Almost surely, 2^74328816 is an apocalyptic number.

It is an amenable number.

74328816 is an abundant number, since it is smaller than the sum of its proper divisors (117687416).

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

74328816 is a wasteful number, since it uses less digits than its factorization.

74328816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548528 (or 1548522 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 74328816 is about 8621.4161249762. The cubic root of 74328816 is about 420.4545645382.

The spelling of 74328816 in words is "seventy-four million, three hundred twenty-eight thousand, eight hundred sixteen".