71575089620 has 24 divisors (see below), whose sum is σ = 158218620000. Its totient is φ = 27123191712.

The previous prime is 71575089611. The next prime is 71575089659. The reversal of 71575089620 is 2698057517.

It is a super-2 number, since 2×71575089620² (a number of 23 digits) contains 22 as substring.

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, 94177370 + ... + 94178129.

It is an arithmetic number, because the mean of its divisors is an integer number (6592442500).

Almost surely, 2^71575089620 is an apocalyptic number.

It is an amenable number.

71575089620 is an abundant number, since it is smaller than the sum of its proper divisors (86643530380).

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

71575089620 is a wasteful number, since it uses less digits than its factorization.

71575089620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188355527 (or 188355525 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 71575089620 in words is "seventy-one billion, five hundred seventy-five million, eighty-nine thousand, six hundred twenty".