71357875317 has 32 divisors (see below), whose sum is σ = 107760274560. Its totient is φ = 46660521600.

The previous prime is 71357875289. The next prime is 71357875327.

71357875317 is a `hidden beast` number, since 7 + 1 + 3 + 578 + 7 + 53 + 17 = 666.

71357875317 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 71357875317 - 2²² = 71353681013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71357875327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169513 + ... + 414065.

It is an arithmetic number, because the mean of its divisors is an integer number (3367508580).

Almost surely, 2^71357875317 is an apocalyptic number.

It is an amenable number.

71357875317 is a deficient number, since it is larger than the sum of its proper divisors (36402399243).

71357875317 is a wasteful number, since it uses less digits than its factorization.

71357875317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244770 (or 244764 counting only the distinct ones).

The product of its digits is 4321800, while the sum is 54.

The spelling of 71357875317 in words is "seventy-one billion, three hundred fifty-seven million, eight hundred seventy-five thousand, three hundred seventeen".