720789952 has 28 divisors (see below), whose sum is σ = 1431255456. Its totient is φ = 360158720.

The previous prime is 720789911. The next prime is 720789967. The reversal of 720789952 is 259987027.

It is a junction number, because it is equal to n+sod(n) for n = 720789896 and 720789905.

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, 135177 + ... + 140407.

Almost surely, 2^720789952 is an apocalyptic number.

It is an amenable number.

720789952 is a deficient number, since it is larger than the sum of its proper divisors (710465504).

720789952 is a wasteful number, since it uses less digits than its factorization.

720789952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7396 (or 7386 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 720789952 is about 26847.5315811342. The cubic root of 720789952 is about 896.6086160478.

The spelling of 720789952 in words is "seven hundred twenty million, seven hundred eighty-nine thousand, nine hundred fifty-two".