720560800 has 36 divisors (see below), whose sum is σ = 1759071006. Its totient is φ = 288224000.

The previous prime is 720560783. The next prime is 720560801. The reversal of 720560800 is 8065027.

It can be written as a sum of positive squares in 3 ways, for example, as 703947024 + 16613776 = 26532^2 + 4076^2 .

It is not an unprimeable number, because it can be changed into a prime (720560801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 449551 + ... + 451150.

Almost surely, 2^720560800 is an apocalyptic number.

It is an amenable number.

720560800 is an abundant number, since it is smaller than the sum of its proper divisors (1038510206).

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

720560800 is a wasteful number, since it uses less digits than its factorization.

720560800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900721 (or 900708 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 720560800 is about 26843.2635869784. The cubic root of 720560800 is about 896.5135900124.

The spelling of 720560800 in words is "seven hundred twenty million, five hundred sixty thousand, eight hundred".