71834256732 has 48 divisors (see below), whose sum is σ = 191724415232. Its totient is φ = 20506245120.

The previous prime is 71834256691. The next prime is 71834256733. The reversal of 71834256732 is 23765243817.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71834256733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273994 + ... + 467697.

Almost surely, 2^71834256732 is an apocalyptic number.

It is an amenable number.

71834256732 is an abundant number, since it is smaller than the sum of its proper divisors (119890158500).

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

71834256732 is a wasteful number, since it uses less digits than its factorization.

71834256732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742858 (or 742856 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 48.

The spelling of 71834256732 in words is "seventy-one billion, eight hundred thirty-four million, two hundred fifty-six thousand, seven hundred thirty-two".