720736944 has 40 divisors (see below), whose sum is σ = 1865117232. Its totient is φ = 239831040.

The previous prime is 720736931. The next prime is 720736969. The reversal of 720736944 is 449637027.

720736944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 720736896 and 720736905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15804 + ... + 41124.

Almost surely, 2^720736944 is an apocalyptic number.

It is an amenable number.

720736944 is an abundant number, since it is smaller than the sum of its proper divisors (1144380288).

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

720736944 is a wasteful number, since it uses less digits than its factorization.

720736944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25925 (or 25919 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 720736944 is about 26846.5443586321. The cubic root of 720736944 is about 896.5866361841.

The spelling of 720736944 in words is "seven hundred twenty million, seven hundred thirty-six thousand, nine hundred forty-four".