72095937217 has 8 divisors (see below), whose sum is σ = 73685779200. Its totient is φ = 70508423904.

The previous prime is 72095937203. The next prime is 72095937223. The reversal of 72095937217 is 71273959027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-72095937217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72095937227) 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 7 ways as a sum of consecutive naturals, for example, 519492 + ... + 643477.

It is an arithmetic number, because the mean of its divisors is an integer number (9210722400).

Almost surely, 2^72095937217 is an apocalyptic number.

It is an amenable number.

72095937217 is a deficient number, since it is larger than the sum of its proper divisors (1589841983).

72095937217 is a wasteful number, since it uses less digits than its factorization.

72095937217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164335.

The product of its (nonzero) digits is 1666980, while the sum is 52.

The spelling of 72095937217 in words is "seventy-two billion, ninety-five million, nine hundred thirty-seven thousand, two hundred seventeen".