8664075 has 36 divisors (see below), whose sum is σ = 17738448. Its totient is φ = 3960000.

The previous prime is 8664053. The next prime is 8664107. The reversal of 8664075 is 5704668.

It is a happy number.

8664075 is a `hidden beast` number, since 8 + 6 + 640 + 7 + 5 = 666.

It is not a de Polignac number, because 8664075 - 2⁵ = 8664043 is a prime.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1176 + ... + 4325.

Almost surely, 2^8664075 is an apocalyptic number.

8664075 is an abundant number, since it is smaller than the sum of its proper divisors (9074373).

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

8664075 is a wasteful number, since it uses less digits than its factorization.

8664075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524 (or 5516 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 8664075 is about 2943.4800831669. The cubic root of 8664075 is about 205.3875279191.

The spelling of 8664075 in words is "eight million, six hundred sixty-four thousand, seventy-five".