720872080 has 160 divisors (see below), whose sum is σ = 1846247904. Its totient is φ = 260702208.

The previous prime is 720872069. The next prime is 720872093. The reversal of 720872080 is 80278027.

720872080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 10969344 + 709902736 = 3312^2 + 26644^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5261772 + ... + 5261908.

Almost surely, 2^720872080 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 720872080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923123952).

720872080 is an abundant number, since it is smaller than the sum of its proper divisors (1125375824).

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

720872080 is a wasteful number, since it uses less digits than its factorization.

720872080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 287 counting only the distinct ones).

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

The square root of 720872080 is about 26849.0610636573. The cubic root of 720872080 is about 896.6426684444.

The spelling of 720872080 in words is "seven hundred twenty million, eight hundred seventy-two thousand, eighty".