8664072 has 16 divisors (see below), whose sum is σ = 21660240. Its totient is φ = 2888016.

The previous prime is 8664053. The next prime is 8664107. The reversal of 8664072 is 2704668.

It is a super-2 number, since 2×8664072² = 150132287242368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180478 + ... + 180525.

It is an arithmetic number, because the mean of its divisors is an integer number (1353765).

Almost surely, 2^8664072 is an apocalyptic number.

It is an amenable number.

8664072 is an abundant number, since it is smaller than the sum of its proper divisors (12996168).

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

8664072 is a wasteful number, since it uses less digits than its factorization.

8664072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361012 (or 361008 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 8664072 is about 2943.4795735660. The cubic root of 8664072 is about 205.3875042134.

The spelling of 8664072 in words is "eight million, six hundred sixty-four thousand, seventy-two".