72362386656 has 216 divisors, whose sum is σ = 240302790000. Its totient is φ = 20233829376.

The previous prime is 72362386631. The next prime is 72362386717. The reversal of 72362386656 is 65668326327.

72362386656 is a `hidden beast` number, since 7 + 2 + 3 + 623 + 8 + 6 + 6 + 5 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4445220 + ... + 4461468.

Almost surely, 2^72362386656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72362386656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120151395000).

72362386656 is an abundant number, since it is smaller than the sum of its proper divisors (167940403344).

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

72362386656 is a wasteful number, since it uses less digits than its factorization.

72362386656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16366 (or 16308 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 54.

The spelling of 72362386656 in words is "seventy-two billion, three hundred sixty-two million, three hundred eighty-six thousand, six hundred fifty-six".