72722855560319 has 8 divisors (see below), whose sum is σ = 77057330398080. Its totient is φ = 68439076335000.

The previous prime is 72722855560279. The next prime is 72722855560321. The reversal of 72722855560319 is 91306555822727.

It is a happy number.

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 72722855560319 - 2⁸ = 72722855560063 is a prime.

It is a super-2 number, since 2×72722855560319² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72722855562319) 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, 12673900157 + ... + 12673905894.

It is an arithmetic number, because the mean of its divisors is an integer number (9632166299760).

Almost surely, 2^{72722855560319} is an apocalyptic number.

72722855560319 is a deficient number, since it is larger than the sum of its proper divisors (4334474837761).

72722855560319 is a wasteful number, since it uses less digits than its factorization.

72722855560319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25347806221.

The product of its (nonzero) digits is 63504000, while the sum is 62.

The spelling of 72722855560319 in words is "seventy-two trillion, seven hundred twenty-two billion, eight hundred fifty-five million, five hundred sixty thousand, three hundred nineteen".