8717272 has 16 divisors (see below), whose sum is σ = 16491240. Its totient is φ = 4319616.

The previous prime is 8717263. The next prime is 8717273. The reversal of 8717272 is 2727178.

It is a super-2 number, since 2×8717272² = 151981662243968, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8717273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3918 + ... + 5725.

Almost surely, 2^8717272 is an apocalyptic number.

It is an amenable number.

8717272 is a deficient number, since it is larger than the sum of its proper divisors (7773968).

8717272 is a wasteful number, since it uses less digits than its factorization.

8717272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9762 (or 9758 counting only the distinct ones).

The product of its digits is 10976, while the sum is 34.

The square root of 8717272 is about 2952.5026672300. The cubic root of 8717272 is about 205.8070270034.

The spelling of 8717272 in words is "eight million, seven hundred seventeen thousand, two hundred seventy-two".