722901255696 has 45 divisors (see below), whose sum is σ = 2023148040589. Its totient is φ = 240963684288.

The previous prime is 722901255683. The next prime is 722901255733. The reversal of 722901255696 is 696552109227.

The square root of 722901255696 is 850236.

It is a perfect power (a square), and thus also a powerful number.

722901255696 is a `hidden beast` number, since 72 + 2 + 9 + 0 + 1 + 2 + 5 + 569 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 635559728400 + 87341527296 = 797220^2 + 295536^2 .

It is a super-3 number, since 3×722901255696³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 10167406 + ... + 10238258.

Almost surely, 2^722901255696 is an apocalyptic number.

722901255696 is the 850236-th square number.

It is an amenable number.

722901255696 is an abundant number, since it is smaller than the sum of its proper divisors (1300246784893).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722901255696 is an frugal number, since it uses more digits than its factorization.

722901255696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141720 (or 70858 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 722901255696 in words is "seven hundred twenty-two billion, nine hundred one million, two hundred fifty-five thousand, six hundred ninety-six".