71393107656 has 96 divisors (see below), whose sum is σ = 204637246560. Its totient is φ = 20674907136.

The previous prime is 71393107649. The next prime is 71393107693. The reversal of 71393107656 is 65670139317.

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 23 ways as a sum of consecutive naturals, for example, 448750 + ... + 586653.

It is an arithmetic number, because the mean of its divisors is an integer number (2131637985).

Almost surely, 2^71393107656 is an apocalyptic number.

It is an amenable number.

71393107656 is an abundant number, since it is smaller than the sum of its proper divisors (133244138904).

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

71393107656 is a wasteful number, since it uses less digits than its factorization.

71393107656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035455 (or 1035438 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 48.

The spelling of 71393107656 in words is "seventy-one billion, three hundred ninety-three million, one hundred seven thousand, six hundred fifty-six".