71347711932 has 144 divisors (see below), whose sum is σ = 210190256640. Its totient is φ = 19982761344.

The previous prime is 71347711909. The next prime is 71347711973. The reversal of 71347711932 is 23911774317.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25094503 + ... + 25097345.

It is an arithmetic number, because the mean of its divisors is an integer number (1459654560).

Almost surely, 2^71347711932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71347711932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105095128320).

71347711932 is an abundant number, since it is smaller than the sum of its proper divisors (138842544708).

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

71347711932 is a wasteful number, since it uses less digits than its factorization.

71347711932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4792 (or 4787 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The spelling of 71347711932 in words is "seventy-one billion, three hundred forty-seven million, seven hundred eleven thousand, nine hundred thirty-two".