71100727664 has 20 divisors (see below), whose sum is σ = 137761879104. Its totient is φ = 35549275008.

The previous prime is 71100727637. The next prime is 71100727673. The reversal of 71100727664 is 46672700117.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829004 + ... + 910740.

Almost surely, 2^71100727664 is an apocalyptic number.

It is an amenable number.

71100727664 is a deficient number, since it is larger than the sum of its proper divisors (66661151440).

71100727664 is a wasteful number, since it uses less digits than its factorization.

71100727664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136112 (or 136106 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 71100727664 in words is "seventy-one billion, one hundred million, seven hundred twenty-seven thousand, six hundred sixty-four".