72312621327 has 12 divisors (see below), whose sum is σ = 107274579880. Its totient is φ = 46905483888.

The previous prime is 72312621301. The next prime is 72312621373.

72312621327 is a `hidden beast` number, since 7 + 2 + 3 + 1 + 2 + 621 + 3 + 27 = 666.

72312621327 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 72312621327 - 2¹⁴ = 72312604943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72312621291 and 72312621300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72312621397) 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, 108577177 + ... + 108577842.

Almost surely, 2^72312621327 is an apocalyptic number.

72312621327 is a deficient number, since it is larger than the sum of its proper divisors (34961958553).

72312621327 is a wasteful number, since it uses less digits than its factorization.

72312621327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217155062 (or 217155059 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The spelling of 72312621327 in words is "seventy-two billion, three hundred twelve million, six hundred twenty-one thousand, three hundred twenty-seven".