71477005684 has 12 divisors (see below), whose sum is σ = 142954011424. Its totient is φ = 30633002424.

The previous prime is 71477005661. The next prime is 71477005703. The reversal of 71477005684 is 48650077417.

71477005684 is an admirable number.

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, 1276375074 + ... + 1276375129.

Almost surely, 2^71477005684 is an apocalyptic number.

It is an amenable number.

71477005684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71477005684 is a wasteful number, since it uses less digits than its factorization.

71477005684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552750214 (or 2552750212 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 49.

The spelling of 71477005684 in words is "seventy-one billion, four hundred seventy-seven million, five thousand, six hundred eighty-four".