72001710528 has 112 divisors (see below), whose sum is σ = 218761299840. Its totient is φ = 20670336000.

The previous prime is 72001710491. The next prime is 72001710553. The reversal of 72001710528 is 82501710027.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 857023 + ... + 937278.

Almost surely, 2^72001710528 is an apocalyptic number.

It is an amenable number.

72001710528 is an abundant number, since it is smaller than the sum of its proper divisors (146759589312).

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

72001710528 is a wasteful number, since it uses less digits than its factorization.

72001710528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794346 (or 1794336 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 33.

The spelling of 72001710528 in words is "seventy-two billion, one million, seven hundred ten thousand, five hundred twenty-eight".