72788341872 has 80 divisors (see below), whose sum is σ = 188604849152. Its totient is φ = 24189580800.

The previous prime is 72788341733. The next prime is 72788341889. The reversal of 72788341872 is 27814388727.

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 15 ways as a sum of consecutive naturals, for example, 30620748 + ... + 30623124.

Almost surely, 2^72788341872 is an apocalyptic number.

It is an amenable number.

72788341872 is an abundant number, since it is smaller than the sum of its proper divisors (115816507280).

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

72788341872 is a wasteful number, since it uses less digits than its factorization.

72788341872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046 (or 4040 counting only the distinct ones).

The product of its digits is 8429568, while the sum is 57.

The spelling of 72788341872 in words is "seventy-two billion, seven hundred eighty-eight million, three hundred forty-one thousand, eight hundred seventy-two".