720572400 has 90 divisors (see below), whose sum is σ = 2500598880. Its totient is φ = 192151680.

The previous prime is 720572327. The next prime is 720572423. The reversal of 720572400 is 4275027.

It is a tau number, because it is divible by the number of its divisors (90).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 96480 + ... + 103679.

It is an arithmetic number, because the mean of its divisors is an integer number (27784432).

Almost surely, 2^720572400 is an apocalyptic number.

It is an amenable number.

720572400 is an abundant number, since it is smaller than the sum of its proper divisors (1780026480).

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

720572400 is a wasteful number, since it uses less digits than its factorization.

720572400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200183 (or 200169 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 720572400 is about 26843.4796552161. The cubic root of 720572400 is about 896.5184008495.

The spelling of 720572400 in words is "seven hundred twenty million, five hundred seventy-two thousand, four hundred".