720072600 has 96 divisors (see below), whose sum is σ = 2403960720. Its totient is φ = 177246720.

The previous prime is 720072599. The next prime is 720072607. The reversal of 720072600 is 6270027.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720072607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38359 + ... + 53958.

Almost surely, 2^720072600 is an apocalyptic number.

It is an amenable number.

720072600 is an abundant number, since it is smaller than the sum of its proper divisors (1683888120).

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

720072600 is a wasteful number, since it uses less digits than its factorization.

720072600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92349 (or 92340 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 720072600 is about 26834.1685170232. The cubic root of 720072600 is about 896.3110732975.

It can be divided in two parts, 7200 and 72600, that added together give a triangular number (79800 = T₃₉₉).

The spelling of 720072600 in words is "seven hundred twenty million, seventy-two thousand, six hundred".