72340930362816 has 84 divisors (see below), whose sum is σ = 208672930336312. Its totient is φ = 23960053338624.

The previous prime is 72340930362787. The next prime is 72340930362821. The reversal of 72340930362816 is 61826303904327.

72340930362816 is a `hidden beast` number, since 7 + 2 + 3 + 4 + 0 + 9 + 3 + 0 + 3 + 628 + 1 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399883750 + ... + 400064613.

Almost surely, 2^{72340930362816} is an apocalyptic number.

It is an amenable number.

72340930362816 is an abundant number, since it is smaller than the sum of its proper divisors (136331999973496).

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

72340930362816 is a wasteful number, since it uses less digits than its factorization.

72340930362816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799948538 (or 799948525 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 72340930362816 in words is "seventy-two trillion, three hundred forty billion, nine hundred thirty million, three hundred sixty-two thousand, eight hundred sixteen".