71572935873 has 16 divisors (see below), whose sum is σ = 98517366272. Its totient is φ = 46172160000.

The previous prime is 71572935839. The next prime is 71572935877. The reversal of 71572935873 is 37853927517.

It is a happy number.

It is not a de Polignac number, because 71572935873 - 2⁸ = 71572935617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71572935877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1403523 + ... + 1453623.

It is an arithmetic number, because the mean of its divisors is an integer number (6157335392).

Almost surely, 2^71572935873 is an apocalyptic number.

It is an amenable number.

71572935873 is a deficient number, since it is larger than the sum of its proper divisors (26944430399).

71572935873 is a wasteful number, since it uses less digits than its factorization.

71572935873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65496.

The product of its digits is 11113200, while the sum is 57.

The spelling of 71572935873 in words is "seventy-one billion, five hundred seventy-two million, nine hundred thirty-five thousand, eight hundred seventy-three".