720725264 has 40 divisors (see below), whose sum is σ = 1597272768. Its totient is φ = 308615040.

The previous prime is 720725249. The next prime is 720725329. The reversal of 720725264 is 462527027.

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, 181379 + ... + 185309.

Almost surely, 2^720725264 is an apocalyptic number.

It is an amenable number.

720725264 is an abundant number, since it is smaller than the sum of its proper divisors (876547504).

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

720725264 is a wasteful number, since it uses less digits than its factorization.

720725264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5583 (or 5577 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 720725264 is about 26846.3268250984. The cubic root of 720725264 is about 896.5817929060.

The spelling of 720725264 in words is "seven hundred twenty million, seven hundred twenty-five thousand, two hundred sixty-four".