722872144373 has 8 divisors (see below), whose sum is σ = 724350271896. Its totient is φ = 721395404800.

The previous prime is 722872144367. The next prime is 722872144391. The reversal of 722872144373 is 373441278227.

It can be written as a sum of positive squares in 4 ways, for example, as 14753260369 + 708118884004 = 121463^2 + 841498^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 722872144373 - 2²⁶ = 722805035509 is a prime.

It is a super-2 number, since 2×722872144373² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722872144333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698933 + ... + 1390773.

It is an arithmetic number, because the mean of its divisors is an integer number (90543783987).

Almost surely, 2^722872144373 is an apocalyptic number.

It is an amenable number.

722872144373 is a deficient number, since it is larger than the sum of its proper divisors (1478127523).

722872144373 is a wasteful number, since it uses less digits than its factorization.

722872144373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693975.

The product of its digits is 3161088, while the sum is 50.

The spelling of 722872144373 in words is "seven hundred twenty-two billion, eight hundred seventy-two million, one hundred forty-four thousand, three hundred seventy-three".