71317536438 has 8 divisors (see below), whose sum is σ = 142635072888. Its totient is φ = 23772512144.

The previous prime is 71317536427. The next prime is 71317536439. The reversal of 71317536438 is 83463571317.

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

71317536438 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71317536439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5943128031 + ... + 5943128042.

It is an arithmetic number, because the mean of its divisors is an integer number (17829384111).

Almost surely, 2^71317536438 is an apocalyptic number.

71317536438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71317536438 is a wasteful number, since it uses less digits than its factorization.

71317536438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11886256078.

The product of its digits is 1270080, while the sum is 48.

The spelling of 71317536438 in words is "seventy-one billion, three hundred seventeen million, five hundred thirty-six thousand, four hundred thirty-eight".