71349809741832 has 32 divisors (see below), whose sum is σ = 179009309155680. Its totient is φ = 23698631940480.

The previous prime is 71349809741759. The next prime is 71349809741843. The reversal of 71349809741832 is 23814790894317.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5289866458 + ... + 5289879945.

It is an arithmetic number, because the mean of its divisors is an integer number (5594040911115).

Almost surely, 2^{71349809741832} is an apocalyptic number.

It is an amenable number.

71349809741832 is an abundant number, since it is smaller than the sum of its proper divisors (107659499413848).

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

71349809741832 is a wasteful number, since it uses less digits than its factorization.

71349809741832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10579746693 (or 10579746689 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 71349809741832 in words is "seventy-one trillion, three hundred forty-nine billion, eight hundred nine million, seven hundred forty-one thousand, eight hundred thirty-two".