720328800 has 72 divisors (see below), whose sum is σ = 2344678056. Its totient is φ = 192087040.

The previous prime is 720328787. The next prime is 720328801. The reversal of 720328800 is 8823027.

720328800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720328801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147669 + ... + 152468.

It is an arithmetic number, because the mean of its divisors is an integer number (32564973).

Almost surely, 2^720328800 is an apocalyptic number.

It is an amenable number.

720328800 is an abundant number, since it is smaller than the sum of its proper divisors (1624349256).

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

720328800 is a wasteful number, since it uses less digits than its factorization.

720328800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300160 (or 300147 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 720328800 is about 26838.9418569362. The cubic root of 720328800 is about 896.4173624263.

The spelling of 720328800 in words is "seven hundred twenty million, three hundred twenty-eight thousand, eight hundred".