722380738 has 16 divisors (see below), whose sum is σ = 1090350720. Its totient is φ = 358936816.

The previous prime is 722380733. The next prime is 722380739. The reversal of 722380738 is 837083227.

722380738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 722380738.

It is not an unprimeable number, because it can be changed into a prime (722380733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325320 + ... + 327532.

It is an arithmetic number, because the mean of its divisors is an integer number (68146920).

Almost surely, 2^722380738 is an apocalyptic number.

722380738 is a deficient number, since it is larger than the sum of its proper divisors (367969982).

722380738 is a wasteful number, since it uses less digits than its factorization.

722380738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 722380738 is about 26877.1415518838. The cubic root of 722380738 is about 897.2677375308.

The spelling of 722380738 in words is "seven hundred twenty-two million, three hundred eighty thousand, seven hundred thirty-eight".