71580867094 has 24 divisors (see below), whose sum is σ = 120246502320. Its totient is φ = 31922850960.

The previous prime is 71580867089. The next prime is 71580867109. The reversal of 71580867094 is 49076808517.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2777634 + ... + 2803285.

It is an arithmetic number, because the mean of its divisors is an integer number (5010270930).

Almost surely, 2^71580867094 is an apocalyptic number.

71580867094 is a deficient number, since it is larger than the sum of its proper divisors (48665635226).

71580867094 is a wasteful number, since it uses less digits than its factorization.

71580867094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580996 (or 5580985 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 71580867094 in words is "seventy-one billion, five hundred eighty million, eight hundred sixty-seven thousand, ninety-four".