72387128948 has 48 divisors (see below), whose sum is σ = 140158408320. Its totient is φ = 32558321664.

The previous prime is 72387128923. The next prime is 72387128951. The reversal of 72387128948 is 84982178327.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88340 + ... + 390612.

It is an arithmetic number, because the mean of its divisors is an integer number (2919966840).

Almost surely, 2^72387128948 is an apocalyptic number.

It is an amenable number.

72387128948 is a deficient number, since it is larger than the sum of its proper divisors (67771279372).

72387128948 is a wasteful number, since it uses less digits than its factorization.

72387128948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302456 (or 302454 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 59.

The spelling of 72387128948 in words is "seventy-two billion, three hundred eighty-seven million, one hundred twenty-eight thousand, nine hundred forty-eight".