72214385652 has 24 divisors (see below), whose sum is σ = 187222481600. Its totient is φ = 24071461848.

The previous prime is 72214385647. The next prime is 72214385681. The reversal of 72214385652 is 25658341227.

72214385652 is a `hidden beast` number, since 7 + 2 + 214 + 385 + 6 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 72214385598 and 72214385607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334325752 + ... + 334325967.

Almost surely, 2^72214385652 is an apocalyptic number.

It is an amenable number.

72214385652 is an abundant number, since it is smaller than the sum of its proper divisors (115008095948).

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

72214385652 is a wasteful number, since it uses less digits than its factorization.

72214385652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668651732 (or 668651724 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 72214385652 in words is "seventy-two billion, two hundred fourteen million, three hundred eighty-five thousand, six hundred fifty-two".