71608612 has 12 divisors (see below), whose sum is σ = 127080576. Its totient is φ = 35299880.

The previous prime is 71608609. The next prime is 71608643. The reversal of 71608612 is 21680617.

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, 125788 + ... + 126355.

It is an arithmetic number, because the mean of its divisors is an integer number (10590048).

Almost surely, 2^71608612 is an apocalyptic number.

It is an amenable number.

71608612 is a deficient number, since it is larger than the sum of its proper divisors (55471964).

71608612 is a wasteful number, since it uses less digits than its factorization.

71608612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252218 (or 252216 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 71608612 is about 8462.1871877193. The cubic root of 71608612 is about 415.2615798987.

The spelling of 71608612 in words is "seventy-one million, six hundred eight thousand, six hundred twelve".