72967964159 has 4 divisors (see below), whose sum is σ = 72979281720. Its totient is φ = 72956646600.

The previous prime is 72967964131. The next prime is 72967964161. The reversal of 72967964159 is 95146976927.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72967964159 - 2²⁴ = 72951186943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72967964095 and 72967964104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72967964189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5649104 + ... + 5662005.

It is an arithmetic number, because the mean of its divisors is an integer number (18244820430).

Almost surely, 2^72967964159 is an apocalyptic number.

72967964159 is a deficient number, since it is larger than the sum of its proper divisors (11317561).

72967964159 is a wasteful number, since it uses less digits than its factorization.

72967964159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11317560.

The product of its digits is 51438240, while the sum is 65.

The spelling of 72967964159 in words is "seventy-two billion, nine hundred sixty-seven million, nine hundred sixty-four thousand, one hundred fifty-nine".