720956330 has 16 divisors (see below), whose sum is σ = 1366022880. Its totient is φ = 273204432.

The previous prime is 720956323. The next prime is 720956347. The reversal of 720956330 is 33659027.

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, 1897064 + ... + 1897443.

It is an arithmetic number, because the mean of its divisors is an integer number (85376430).

Almost surely, 2^720956330 is an apocalyptic number.

720956330 is a deficient number, since it is larger than the sum of its proper divisors (645066550).

720956330 is a wasteful number, since it uses less digits than its factorization.

720956330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794533.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 720956330 is about 26850.6299739876. The cubic root of 720956330 is about 896.6775979897.

The spelling of 720956330 in words is "seven hundred twenty million, nine hundred fifty-six thousand, three hundred thirty".