71399983376 has 20 divisors (see below), whose sum is σ = 138396482832. Its totient is φ = 35684762016.

The previous prime is 71399983349. The next prime is 71399983393. The reversal of 71399983376 is 67338999317.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913130 + ... + 988233.

Almost surely, 2^71399983376 is an apocalyptic number.

It is an amenable number.

71399983376 is a deficient number, since it is larger than the sum of its proper divisors (66996499456).

71399983376 is a wasteful number, since it uses less digits than its factorization.

71399983376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903718 (or 1903712 counting only the distinct ones).

The product of its digits is 46294416, while the sum is 65.

The spelling of 71399983376 in words is "seventy-one billion, three hundred ninety-nine million, nine hundred eighty-three thousand, three hundred seventy-six".