72814885626 has 24 divisors (see below), whose sum is σ = 169406061120. Its totient is φ = 20804252952.

The previous prime is 72814885621. The next prime is 72814885631. The reversal of 72814885626 is 62658841827.

It is an interprime number because it is at equal distance from previous prime (72814885621) and next prime (72814885631).

It is a super-2 number, since 2×72814885626² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72814885621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123834546 + ... + 123835133.

It is an arithmetic number, because the mean of its divisors is an integer number (7058585880).

Almost surely, 2^72814885626 is an apocalyptic number.

72814885626 is an abundant number, since it is smaller than the sum of its proper divisors (96591175494).

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

72814885626 is a wasteful number, since it uses less digits than its factorization.

72814885626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247669698 (or 247669691 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 57.

The spelling of 72814885626 in words is "seventy-two billion, eight hundred fourteen million, eight hundred eighty-five thousand, six hundred twenty-six".