8668724 has 12 divisors (see below), whose sum is σ = 15243648. Its totient is φ = 4313400.

The previous prime is 8668721. The next prime is 8668739. The reversal of 8668724 is 4278668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8668721) 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, 4292 + ... + 5979.

It is an arithmetic number, because the mean of its divisors is an integer number (1270304).

Almost surely, 2^8668724 is an apocalyptic number.

It is an amenable number.

8668724 is a deficient number, since it is larger than the sum of its proper divisors (6574924).

8668724 is a wasteful number, since it uses less digits than its factorization.

8668724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10486 (or 10484 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 8668724 is about 2944.2696887344. The cubic root of 8668724 is about 205.4242572058.

The spelling of 8668724 in words is "eight million, six hundred sixty-eight thousand, seven hundred twenty-four".