71412728016 has 40 divisors (see below), whose sum is σ = 210837578944. Its totient is φ = 20403636480.

The previous prime is 71412727957. The next prime is 71412728021. The reversal of 71412728016 is 61082721417.

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, 106268605 + ... + 106269276.

Almost surely, 2^71412728016 is an apocalyptic number.

It is an amenable number.

71412728016 is an abundant number, since it is smaller than the sum of its proper divisors (139424850928).

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

71412728016 is a wasteful number, since it uses less digits than its factorization.

71412728016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212537899 (or 212537893 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The spelling of 71412728016 in words is "seventy-one billion, four hundred twelve million, seven hundred twenty-eight thousand, sixteen".