722768039 has 16 divisors (see below), whose sum is σ = 878050368. Its totient is φ = 580780032.

The previous prime is 722768029. The next prime is 722768041. The reversal of 722768039 is 930867227.

It is not a de Polignac number, because 722768039 - 2²⁴ = 705990823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722768029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18767 + ... + 42399.

It is an arithmetic number, because the mean of its divisors is an integer number (54878148).

Almost surely, 2^722768039 is an apocalyptic number.

722768039 is a deficient number, since it is larger than the sum of its proper divisors (155282329).

722768039 is a wasteful number, since it uses less digits than its factorization.

722768039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23914.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 722768039 is about 26884.3456122703. The cubic root of 722768039 is about 897.4280641594.

The spelling of 722768039 in words is "seven hundred twenty-two million, seven hundred sixty-eight thousand, thirty-nine".