720725752 has 32 divisors (see below), whose sum is σ = 1395100080. Its totient is φ = 348848640.

The previous prime is 720725749. The next prime is 720725773. The reversal of 720725752 is 257527027.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 29602 + ... + 48142.

Almost surely, 2^720725752 is an apocalyptic number.

It is an amenable number.

720725752 is a deficient number, since it is larger than the sum of its proper divisors (674374328).

720725752 is a wasteful number, since it uses less digits than its factorization.

720725752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18703 (or 18699 counting only the distinct ones).

The product of its (nonzero) digits is 68600, while the sum is 37.

The square root of 720725752 is about 26846.3359138636. The cubic root of 720725752 is about 896.5819952632.

The spelling of 720725752 in words is "seven hundred twenty million, seven hundred twenty-five thousand, seven hundred fifty-two".