72310805046 has 24 divisors (see below), whose sum is σ = 156680442984. Its totient is φ = 24102519840.

The previous prime is 72310805033. The next prime is 72310805087. The reversal of 72310805046 is 64050801327.

72310805046 is a `hidden beast` number, since 72 + 3 + 1 + 0 + 80 + 504 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 72310805046.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391605 + ... + 545871.

It is an arithmetic number, because the mean of its divisors is an integer number (6528351791).

Almost surely, 2^72310805046 is an apocalyptic number.

72310805046 is an abundant number, since it is smaller than the sum of its proper divisors (84369637938).

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

72310805046 is a wasteful number, since it uses less digits than its factorization.

72310805046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180316 (or 180313 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 72310805046 in words is "seventy-two billion, three hundred ten million, eight hundred five thousand, forty-six".