720346368 has 72 divisors (see below), whose sum is σ = 2191069888. Its totient is φ = 205811712.

The previous prime is 720346357. The next prime is 720346391. The reversal of 720346368 is 863643027.

720346368 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 7 ways as a sum of consecutive naturals, for example, 61621 + ... + 72372.

Almost surely, 2^720346368 is an apocalyptic number.

It is an amenable number.

720346368 is an abundant number, since it is smaller than the sum of its proper divisors (1470723520).

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

720346368 is a wasteful number, since it uses less digits than its factorization.

720346368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134019 (or 134005 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 720346368 is about 26839.2691405709. The cubic root of 720346368 is about 896.4246499003.

The spelling of 720346368 in words is "seven hundred twenty million, three hundred forty-six thousand, three hundred sixty-eight".