71612275 has 36 divisors (see below), whose sum is σ = 105341472. Its totient is φ = 48135360.

The previous prime is 71612269. The next prime is 71612291. The reversal of 71612275 is 57221617.

It is a de Polignac number, because none of the positive numbers 2^k-71612275 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 64374 + ... + 65476.

It is an arithmetic number, because the mean of its divisors is an integer number (2926152).

Almost surely, 2^71612275 is an apocalyptic number.

71612275 is a deficient number, since it is larger than the sum of its proper divisors (33729197).

71612275 is a wasteful number, since it uses less digits than its factorization.

71612275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180 (or 1168 counting only the distinct ones).

The product of its digits is 5880, while the sum is 31.

The square root of 71612275 is about 8462.4036183581. The cubic root of 71612275 is about 415.2686604122.

The spelling of 71612275 in words is "seventy-one million, six hundred twelve thousand, two hundred seventy-five".