71680544275 has 24 divisors (see below), whose sum is σ = 93617780400. Its totient is φ = 54293904000.

The previous prime is 71680544267. The next prime is 71680544323. The reversal of 71680544275 is 57244508617.

It is not a de Polignac number, because 71680544275 - 2³ = 71680544267 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 767625 + ... + 855925.

It is an arithmetic number, because the mean of its divisors is an integer number (3900740850).

Almost surely, 2^71680544275 is an apocalyptic number.

71680544275 is a deficient number, since it is larger than the sum of its proper divisors (21937236125).

71680544275 is a wasteful number, since it uses less digits than its factorization.

71680544275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90039 (or 90034 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 49.

The spelling of 71680544275 in words is "seventy-one billion, six hundred eighty million, five hundred forty-four thousand, two hundred seventy-five".