720807260 has 24 divisors (see below), whose sum is σ = 1521628416. Its totient is φ = 286811840.

The previous prime is 720807251. The next prime is 720807277. The reversal of 720807260 is 62708027.

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 7 ways as a sum of consecutive naturals, for example, 90527 + ... + 98166.

It is an arithmetic number, because the mean of its divisors is an integer number (63401184).

Almost surely, 2^720807260 is an apocalyptic number.

It is an amenable number.

720807260 is an abundant number, since it is smaller than the sum of its proper divisors (800821156).

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

720807260 is a wasteful number, since it uses less digits than its factorization.

720807260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188893 (or 188891 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 720807260 is about 26847.8539179578. The cubic root of 720807260 is about 896.6157926081.

The spelling of 720807260 in words is "seven hundred twenty million, eight hundred seven thousand, two hundred sixty".