71839339376 has 40 divisors (see below), whose sum is σ = 159405035520. Its totient is φ = 30723989184.

The previous prime is 71839339367. The next prime is 71839339399. The reversal of 71839339376 is 67393393817.

It is a happy number.

It is a super-3 number, since 3×71839339376³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 615896 + ... + 723191.

It is an arithmetic number, because the mean of its divisors is an integer number (3985125888).

Almost surely, 2^71839339376 is an apocalyptic number.

It is an amenable number.

71839339376 is an abundant number, since it is smaller than the sum of its proper divisors (87565696144).

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

71839339376 is a wasteful number, since it uses less digits than its factorization.

71839339376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339581 (or 1339575 counting only the distinct ones).

The product of its digits is 15431472, while the sum is 59.

The spelling of 71839339376 in words is "seventy-one billion, eight hundred thirty-nine million, three hundred thirty-nine thousand, three hundred seventy-six".