71324642317 has 16 divisors (see below), whose sum is σ = 76181973120. Its totient is φ = 66578803200.

The previous prime is 71324642309. The next prime is 71324642321.

71324642317 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 71324642317 - 2³ = 71324642309 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 71324642317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71324642717) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2349717 + ... + 2379877.

It is an arithmetic number, because the mean of its divisors is an integer number (4761373320).

Almost surely, 2^71324642317 is an apocalyptic number.

It is an amenable number.

71324642317 is a deficient number, since it is larger than the sum of its proper divisors (4857330803).

71324642317 is a wasteful number, since it uses less digits than its factorization.

71324642317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32004.

The product of its digits is 169344, while the sum is 40.

The spelling of 71324642317 in words is "seventy-one billion, three hundred twenty-four million, six hundred forty-two thousand, three hundred seventeen".