720683304 has 32 divisors (see below), whose sum is σ = 1965500640. Its totient is φ = 218388800.

The previous prime is 720683303. The next prime is 720683317. The reversal of 720683304 is 403386027.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (720683303) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1364667 + ... + 1365194.

It is an arithmetic number, because the mean of its divisors is an integer number (61421895).

Almost surely, 2^720683304 is an apocalyptic number.

It is an amenable number.

720683304 is an abundant number, since it is smaller than the sum of its proper divisors (1244817336).

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

720683304 is a wasteful number, since it uses less digits than its factorization.

720683304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729881 (or 2729877 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 720683304 is about 26845.5453287878. The cubic root of 720683304 is about 896.5643931634.

The spelling of 720683304 in words is "seven hundred twenty million, six hundred eighty-three thousand, three hundred four".