71522922239 has 16 divisors (see below), whose sum is σ = 73571097600. Its totient is φ = 69492741696.

The previous prime is 71522922199. The next prime is 71522922253. The reversal of 71522922239 is 93222922517.

It is not a de Polignac number, because 71522922239 - 2¹⁶ = 71522856703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71522922239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71522922269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18974747 + ... + 18978515.

It is an arithmetic number, because the mean of its divisors is an integer number (4598193600).

Almost surely, 2^71522922239 is an apocalyptic number.

71522922239 is a deficient number, since it is larger than the sum of its proper divisors (2048175361).

71522922239 is a wasteful number, since it uses less digits than its factorization.

71522922239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6014.

The product of its digits is 272160, while the sum is 44.

The spelling of 71522922239 in words is "seventy-one billion, five hundred twenty-two million, nine hundred twenty-two thousand, two hundred thirty-nine".