71616056 has 8 divisors (see below), whose sum is σ = 134280120. Its totient is φ = 35808024.

The previous prime is 71616049. The next prime is 71616071. The reversal of 71616056 is 65061617.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4475996 + ... + 4476011.

It is an arithmetic number, because the mean of its divisors is an integer number (16785015).

Almost surely, 2^71616056 is an apocalyptic number.

It is an amenable number.

71616056 is a deficient number, since it is larger than the sum of its proper divisors (62664064).

71616056 is a wasteful number, since it uses less digits than its factorization.

71616056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8952013 (or 8952009 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 71616056 is about 8462.6270152950. The cubic root of 71616056 is about 415.2759687644.

The spelling of 71616056 in words is "seventy-one million, six hundred sixteen thousand, fifty-six".