71585375036 has 24 divisors (see below), whose sum is σ = 143300613120. Its totient is φ = 30651618672.

The previous prime is 71585375033. The next prime is 71585375051. The reversal of 71585375036 is 63057358517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71585375033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128056 + ... + 1189823.

It is an arithmetic number, because the mean of its divisors is an integer number (5970858880).

Almost surely, 2^71585375036 is an apocalyptic number.

It is an amenable number.

71585375036 is an abundant number, since it is smaller than the sum of its proper divisors (71715238084).

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

71585375036 is a wasteful number, since it uses less digits than its factorization.

71585375036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318993 (or 2318991 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 50.

The spelling of 71585375036 in words is "seventy-one billion, five hundred eighty-five million, three hundred seventy-five thousand, thirty-six".