71834352688 has 20 divisors (see below), whose sum is σ = 159061781200. Its totient is φ = 30786151104.

The previous prime is 71834352671. The next prime is 71834352691. The reversal of 71834352688 is 88625343817.

It is a super-3 number, since 3×71834352688³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320688963 + ... + 320689186.

It is an arithmetic number, because the mean of its divisors is an integer number (7953089060).

Almost surely, 2^71834352688 is an apocalyptic number.

It is an amenable number.

71834352688 is an abundant number, since it is smaller than the sum of its proper divisors (87227428512).

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

71834352688 is a wasteful number, since it uses less digits than its factorization.

71834352688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641378164 (or 641378158 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 55.

The spelling of 71834352688 in words is "seventy-one billion, eight hundred thirty-four million, three hundred fifty-two thousand, six hundred eighty-eight".