72935205872 has 40 divisors (see below), whose sum is σ = 141835619856. Its totient is φ = 36332706816.

The previous prime is 72935205841. The next prime is 72935205881. The reversal of 72935205872 is 27850253927.

It is a self number, because there is not a number n which added to its sum of digits gives 72935205872.

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, 5237543 + ... + 5251449.

Almost surely, 2^72935205872 is an apocalyptic number.

It is an amenable number.

72935205872 is a deficient number, since it is larger than the sum of its proper divisors (68900413984).

72935205872 is a wasteful number, since it uses less digits than its factorization.

72935205872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15105 (or 15099 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 72935205872 in words is "seventy-two billion, nine hundred thirty-five million, two hundred five thousand, eight hundred seventy-two".