7271916172 has 6 divisors (see below), whose sum is σ = 12725853308. Its totient is φ = 3635958084.

The previous prime is 7271916133. The next prime is 7271916191. The reversal of 7271916172 is 2716191727.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 908989518 + ... + 908989525.

Almost surely, 2^7271916172 is an apocalyptic number.

It is an amenable number.

7271916172 is a deficient number, since it is larger than the sum of its proper divisors (5453937136).

7271916172 is a wasteful number, since it uses less digits than its factorization.

7271916172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817979047 (or 1817979045 counting only the distinct ones).

The product of its digits is 74088, while the sum is 43.

The square root of 7271916172 is about 85275.5309101034. The cubic root of 7271916172 is about 1937.3865837294.

The spelling of 7271916172 in words is "seven billion, two hundred seventy-one million, nine hundred sixteen thousand, one hundred seventy-two".