720872800 has 72 divisors (see below), whose sum is σ = 1763559000. Its totient is φ = 287738880.

The previous prime is 720872767. The next prime is 720872819. The reversal of 720872800 is 8278027.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686676 + ... + 687724.

It is an arithmetic number, because the mean of its divisors is an integer number (24493875).

Almost surely, 2^720872800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 720872800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (881779500).

720872800 is an abundant number, since it is smaller than the sum of its proper divisors (1042686200).

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

720872800 is a wasteful number, since it uses less digits than its factorization.

720872800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 720872800 is about 26849.0744719441. The cubic root of 720872800 is about 896.6429669636.

It can be divided in two parts, 7208 and 72800, that added together give a palindrome (80008).

The spelling of 720872800 in words is "seven hundred twenty million, eight hundred seventy-two thousand, eight hundred".