71318484712 has 32 divisors (see below), whose sum is σ = 135589195080. Its totient is φ = 35161620480.

The previous prime is 71318484703. The next prime is 71318484733. The reversal of 71318484712 is 21748481317.

It can be written as a sum of positive squares in 4 ways, for example, as 68510968516 + 2807516196 = 261746^2 + 52986^2 .

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, 2603278 + ... + 2630530.

Almost surely, 2^71318484712 is an apocalyptic number.

It is an amenable number.

71318484712 is a deficient number, since it is larger than the sum of its proper divisors (64270710368).

71318484712 is a wasteful number, since it uses less digits than its factorization.

71318484712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31813 (or 31809 counting only the distinct ones).

The product of its digits is 301056, while the sum is 46.

The spelling of 71318484712 in words is "seventy-one billion, three hundred eighteen million, four hundred eighty-four thousand, seven hundred twelve".