720912568 has 16 divisors (see below), whose sum is σ = 1352783880. Its totient is φ = 360170208.

The previous prime is 720912547. The next prime is 720912589. The reversal of 720912568 is 865219027.

It is an interprime number because it is at equal distance from previous prime (720912547) and next prime (720912589).

It is a self number, because there is not a number n which added to its sum of digits gives 720912568.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24855 + ... + 45382.

Almost surely, 2^720912568 is an apocalyptic number.

It is an amenable number.

720912568 is a deficient number, since it is larger than the sum of its proper divisors (631871312).

720912568 is a wasteful number, since it uses less digits than its factorization.

720912568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71526 (or 71522 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 720912568 is about 26849.8150459179. The cubic root of 720912568 is about 896.6594548663.

The spelling of 720912568 in words is "seven hundred twenty million, nine hundred twelve thousand, five hundred sixty-eight".