71586765332 has 48 divisors (see below), whose sum is σ = 133525134288. Its totient is φ = 33465384960.

The previous prime is 71586765323. The next prime is 71586765337. The reversal of 71586765332 is 23356768517.

It can be written as a sum of positive squares in 8 ways, for example, as 807355396 + 70779409936 = 28414^2 + 266044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71586765337) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6433838 + ... + 6444954.

It is an arithmetic number, because the mean of its divisors is an integer number (2781773631).

Almost surely, 2^71586765332 is an apocalyptic number.

It is an amenable number.

71586765332 is a deficient number, since it is larger than the sum of its proper divisors (61938368956).

71586765332 is a wasteful number, since it uses less digits than its factorization.

71586765332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11756 (or 11754 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 53.

The spelling of 71586765332 in words is "seventy-one billion, five hundred eighty-six million, seven hundred sixty-five thousand, three hundred thirty-two".