8117272 has 16 divisors (see below), whose sum is σ = 15276240. Its totient is φ = 4043616.

The previous prime is 8117267. The next prime is 8117297. The reversal of 8117272 is 2727118.

It is a self number, because there is not a number n which added to its sum of digits gives 8117272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613 + ... + 4075.

It is an arithmetic number, because the mean of its divisors is an integer number (954765).

Almost surely, 2^8117272 is an apocalyptic number.

It is an amenable number.

8117272 is a deficient number, since it is larger than the sum of its proper divisors (7158968).

8117272 is a wasteful number, since it uses less digits than its factorization.

8117272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762 (or 3758 counting only the distinct ones).

The product of its digits is 1568, while the sum is 28.

The square root of 8117272 is about 2849.0826593835. The cubic root of 8117272 is about 200.9725299291.

The spelling of 8117272 in words is "eight million, one hundred seventeen thousand, two hundred seventy-two".