720564760 has 32 divisors (see below), whose sum is σ = 1658978640. Its totient is φ = 281522304.

The previous prime is 720564731. The next prime is 720564763. The reversal of 720564760 is 67465027.

720564760 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 not an unprimeable number, because it can be changed into a prime (720564763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207747 + ... + 211186.

Almost surely, 2^720564760 is an apocalyptic number.

It is an amenable number.

720564760 is an abundant number, since it is smaller than the sum of its proper divisors (938413880).

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

720564760 is a wasteful number, since it uses less digits than its factorization.

720564760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418987 (or 418983 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 720564760 is about 26843.3373483999. The cubic root of 720564760 is about 896.5152323384.

The spelling of 720564760 in words is "seven hundred twenty million, five hundred sixty-four thousand, seven hundred sixty".