71710845680 has 40 divisors (see below), whose sum is σ = 176535232272. Its totient is φ = 26997023744.

The previous prime is 71710845637. The next prime is 71710845691. The reversal of 71710845680 is 8654801717.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26362922 + ... + 26365641.

Almost surely, 2^71710845680 is an apocalyptic number.

It is an amenable number.

71710845680 is an abundant number, since it is smaller than the sum of its proper divisors (104824386592).

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

71710845680 is a wasteful number, since it uses less digits than its factorization.

71710845680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52728593 (or 52728587 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 47.

The spelling of 71710845680 in words is "seventy-one billion, seven hundred ten million, eight hundred forty-five thousand, six hundred eighty".