8217672 has 32 divisors (see below), whose sum is σ = 21254400. Its totient is φ = 2644544.

The previous prime is 8217667. The next prime is 8217679. The reversal of 8217672 is 2767128.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8217679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5208 + ... + 6599.

It is an arithmetic number, because the mean of its divisors is an integer number (664200).

Almost surely, 2^8217672 is an apocalyptic number.

It is an amenable number.

8217672 is an abundant number, since it is smaller than the sum of its proper divisors (13036728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8217672 is a wasteful number, since it uses less digits than its factorization.

8217672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11845 (or 11841 counting only the distinct ones).

The product of its digits is 9408, while the sum is 33.

The square root of 8217672 is about 2866.6482169949. The cubic root of 8217672 is about 201.7977258266.

The spelling of 8217672 in words is "eight million, two hundred seventeen thousand, six hundred seventy-two".