720974384 has 20 divisors (see below), whose sum is σ = 1504341216. Its totient is φ = 332757312.

The previous prime is 720974377. The next prime is 720974393. The reversal of 720974384 is 483479027.

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, 1732904 + ... + 1733319.

Almost surely, 2^720974384 is an apocalyptic number.

It is an amenable number.

720974384 is an abundant number, since it is smaller than the sum of its proper divisors (783366832).

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

720974384 is a wasteful number, since it uses less digits than its factorization.

720974384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466244 (or 3466238 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 720974384 is about 26850.9661651122. The cubic root of 720974384 is about 896.6850827159.

The spelling of 720974384 in words is "seven hundred twenty million, nine hundred seventy-four thousand, three hundred eighty-four".