74720304 has 120 divisors (see below), whose sum is σ = 224061552. Its totient is φ = 23162880.

The previous prime is 74720297. The next prime is 74720311. The reversal of 74720304 is 40302747.

It is an interprime number because it is at equal distance from previous prime (74720297) and next prime (74720311).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320572 + ... + 320804.

Almost surely, 2^74720304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74720304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112030776).

74720304 is an abundant number, since it is smaller than the sum of its proper divisors (149341248).

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

74720304 is a wasteful number, since it uses less digits than its factorization.

74720304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 74720304 is about 8644.0906982747. The cubic root of 74720304 is about 421.1914468654.

The spelling of 74720304 in words is "seventy-four million, seven hundred twenty thousand, three hundred four".