71710040725 has 24 divisors (see below), whose sum is σ = 93246833160. Its totient is φ = 54631019520.

The previous prime is 71710040653. The next prime is 71710040741. The reversal of 71710040725 is 52704001717.

It can be written as a sum of positive squares in 12 ways, for example, as 24639266961 + 47070773764 = 156969^2 + 216958^2 .

It is not a de Polignac number, because 71710040725 - 2²⁹ = 71173169813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 624544 + ... + 730393.

It is an arithmetic number, because the mean of its divisors is an integer number (3885284715).

Almost surely, 2^71710040725 is an apocalyptic number.

It is an amenable number.

71710040725 is a deficient number, since it is larger than the sum of its proper divisors (21536792435).

71710040725 is a wasteful number, since it uses less digits than its factorization.

71710040725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355049 (or 1355044 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 34.

The spelling of 71710040725 in words is "seventy-one billion, seven hundred ten million, forty thousand, seven hundred twenty-five".