71613064 has 32 divisors (see below), whose sum is σ = 140616000. Its totient is φ = 34146112.

The previous prime is 71613041. The next prime is 71613089. The reversal of 71613064 is 46031617.

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, 17397 + ... + 21115.

It is an arithmetic number, because the mean of its divisors is an integer number (4394250).

Almost surely, 2^71613064 is an apocalyptic number.

It is an amenable number.

71613064 is a deficient number, since it is larger than the sum of its proper divisors (69002936).

71613064 is a wasteful number, since it uses less digits than its factorization.

71613064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837 (or 3833 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 71613064 is about 8462.4502361905. The cubic root of 71613064 is about 415.2701855035.

The spelling of 71613064 in words is "seventy-one million, six hundred thirteen thousand, sixty-four".