8664672 has 48 divisors (see below), whose sum is σ = 23284800. Its totient is φ = 2819712.

The previous prime is 8664671. The next prime is 8664701. The reversal of 8664672 is 2764668.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 8664672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8664671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3079 + ... + 5177.

It is an arithmetic number, because the mean of its divisors is an integer number (485100).

Almost surely, 2^8664672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8664672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11642400).

8664672 is an abundant number, since it is smaller than the sum of its proper divisors (14620128).

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

8664672 is a wasteful number, since it uses less digits than its factorization.

8664672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155 (or 2147 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 8664672 is about 2943.5814919924. The cubic root of 8664672 is about 205.3922452351.

The spelling of 8664672 in words is "eight million, six hundred sixty-four thousand, six hundred seventy-two".