722170724 has 24 divisors (see below), whose sum is σ = 1410755808. Its totient is φ = 320624640.

The previous prime is 722170649. The next prime is 722170769. The reversal of 722170724 is 427071227.

It is a happy number.

722170724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188957 + ... + 192740.

It is an arithmetic number, because the mean of its divisors is an integer number (58781492).

Almost surely, 2^722170724 is an apocalyptic number.

It is an amenable number.

722170724 is a deficient number, since it is larger than the sum of its proper divisors (688585084).

722170724 is a wasteful number, since it uses less digits than its factorization.

722170724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381755 (or 381753 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 722170724 is about 26873.2343419991. The cubic root of 722170724 is about 897.1807764400.

The spelling of 722170724 in words is "seven hundred twenty-two million, one hundred seventy thousand, seven hundred twenty-four".