722472713 has 6 divisors (see below), whose sum is σ = 739667034. Its totient is φ = 705669216.

The previous prime is 722472703. The next prime is 722472727. The reversal of 722472713 is 317274227.

It can be written as a sum of positive squares in only one way, i.e., 674544784 + 47927929 = 25972^2 + 6923^2 .

It is not a de Polignac number, because 722472713 - 2⁴ = 722472697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722472703) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 193520 + ... + 197217.

It is an arithmetic number, because the mean of its divisors is an integer number (123277839).

Almost surely, 2^722472713 is an apocalyptic number.

It is an amenable number.

722472713 is a deficient number, since it is larger than the sum of its proper divisors (17194321).

722472713 is an equidigital number, since it uses as much as digits as its factorization.

722472713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390823 (or 390780 counting only the distinct ones).

The product of its digits is 32928, while the sum is 35.

The square root of 722472713 is about 26878.8525238709. The cubic root of 722472713 is about 897.3058165722.

The spelling of 722472713 in words is "seven hundred twenty-two million, four hundred seventy-two thousand, seven hundred thirteen".