722561160 has 64 divisors (see below), whose sum is σ = 2226283200. Its totient is φ = 187474176.

The previous prime is 722561117. The next prime is 722561173. The reversal of 722561160 is 61165227.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76930 + ... + 85809.

It is an arithmetic number, because the mean of its divisors is an integer number (34785675).

Almost surely, 2^722561160 is an apocalyptic number.

It is an amenable number.

722561160 is an abundant number, since it is smaller than the sum of its proper divisors (1503722040).

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

722561160 is a wasteful number, since it uses less digits than its factorization.

722561160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162790 (or 162786 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 722561160 is about 26880.4977632484. The cubic root of 722561160 is about 897.3424319200.

The spelling of 722561160 in words is "seven hundred twenty-two million, five hundred sixty-one thousand, one hundred sixty".