71755320317 has 8 divisors (see below), whose sum is σ = 72083350656. Its totient is φ = 71427668992.

The previous prime is 71755320311. The next prime is 71755320323. The reversal of 71755320317 is 71302355717.

It is an interprime number because it is at equal distance from previous prime (71755320311) and next prime (71755320323).

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

It is a cyclic number.

It is not a de Polignac number, because 71755320317 - 2¹⁴ = 71755303933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71755320311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288278 + ... + 476040.

It is an arithmetic number, because the mean of its divisors is an integer number (9010418832).

Almost surely, 2^71755320317 is an apocalyptic number.

It is an amenable number.

71755320317 is a deficient number, since it is larger than the sum of its proper divisors (328030339).

71755320317 is a wasteful number, since it uses less digits than its factorization.

71755320317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189507.

The product of its (nonzero) digits is 154350, while the sum is 41.

The spelling of 71755320317 in words is "seventy-one billion, seven hundred fifty-five million, three hundred twenty thousand, three hundred seventeen".