72357822332 has 6 divisors (see below), whose sum is σ = 126626189088. Its totient is φ = 36178911164.

The previous prime is 72357822289. The next prime is 72357822337. The reversal of 72357822332 is 23322875327.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72357822337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9044727788 + ... + 9044727795.

It is an arithmetic number, because the mean of its divisors is an integer number (21104364848).

Almost surely, 2^72357822332 is an apocalyptic number.

It is an amenable number.

72357822332 is a deficient number, since it is larger than the sum of its proper divisors (54268366756).

72357822332 is a wasteful number, since it uses less digits than its factorization.

72357822332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18089455587 (or 18089455585 counting only the distinct ones).

The product of its digits is 846720, while the sum is 44.

The spelling of 72357822332 in words is "seventy-two billion, three hundred fifty-seven million, eight hundred twenty-two thousand, three hundred thirty-two".