71068529856 has 56 divisors (see below), whose sum is σ = 188121578544. Its totient is φ = 23678663680.

The previous prime is 71068529837. The next prime is 71068529867. The reversal of 71068529856 is 65892586017.

It is a junction number, because it is equal to n+sod(n) for n = 71068529796 and 71068529805.

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, 341266 + ... + 508526.

Almost surely, 2^71068529856 is an apocalyptic number.

It is an amenable number.

71068529856 is an abundant number, since it is smaller than the sum of its proper divisors (117053048688).

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

71068529856 is a wasteful number, since it uses less digits than its factorization.

71068529856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169489 (or 169479 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 71068529856 in words is "seventy-one billion, sixty-eight million, five hundred twenty-nine thousand, eight hundred fifty-six".