720045724 has 12 divisors (see below), whose sum is σ = 1260512344. Its totient is φ = 359899344.

The previous prime is 720045713. The next prime is 720045763. The reversal of 720045724 is 427540027.

720045724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 17079 + ... + 41614.

Almost surely, 2^720045724 is an apocalyptic number.

It is an amenable number.

720045724 is a deficient number, since it is larger than the sum of its proper divisors (540466620).

720045724 is a wasteful number, since it uses less digits than its factorization.

720045724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61764 (or 61762 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 720045724 is about 26833.6677329060. The cubic root of 720045724 is about 896.2999218497.

The spelling of 720045724 in words is "seven hundred twenty million, forty-five thousand, seven hundred twenty-four".