72016340975 has 6 divisors (see below), whose sum is σ = 89300262840. Its totient is φ = 57613072760.

The previous prime is 72016340947. The next prime is 72016340993. The reversal of 72016340975 is 57904361027.

It is not a de Polignac number, because 72016340975 - 2¹⁸ = 72016078831 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 1440326795 + ... + 1440326844.

It is an arithmetic number, because the mean of its divisors is an integer number (14883377140).

Almost surely, 2^72016340975 is an apocalyptic number.

72016340975 is a deficient number, since it is larger than the sum of its proper divisors (17283921865).

72016340975 is a wasteful number, since it uses less digits than its factorization.

72016340975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880653649 (or 2880653644 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 72016340975 in words is "seventy-two billion, sixteen million, three hundred forty thousand, nine hundred seventy-five".