71731614372 has 24 divisors (see below), whose sum is σ = 182589564192. Its totient is φ = 21736852800.

The previous prime is 71731614341. The next prime is 71731614373. The reversal of 71731614372 is 27341613717.

It is not an unprimeable number, because it can be changed into a prime (71731614373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271710529 + ... + 271710792.

It is an arithmetic number, because the mean of its divisors is an integer number (7607898508).

Almost surely, 2^71731614372 is an apocalyptic number.

It is an amenable number.

71731614372 is an abundant number, since it is smaller than the sum of its proper divisors (110857949820).

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

71731614372 is a wasteful number, since it uses less digits than its factorization.

71731614372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543421339 (or 543421337 counting only the distinct ones).

The product of its digits is 148176, while the sum is 42.

The spelling of 71731614372 in words is "seventy-one billion, seven hundred thirty-one million, six hundred fourteen thousand, three hundred seventy-two".