18670252 has 12 divisors (see below), whose sum is σ = 33470136. Its totient is φ = 9107360.

The previous prime is 18670247. The next prime is 18670259. The reversal of 18670252 is 25207681.

It is not an unprimeable number, because it can be changed into a prime (18670259) 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, 56758 + ... + 57085.

It is an arithmetic number, because the mean of its divisors is an integer number (2789178).

Almost surely, 2^18670252 is an apocalyptic number.

It is an amenable number.

18670252 is a deficient number, since it is larger than the sum of its proper divisors (14799884).

18670252 is a wasteful number, since it uses less digits than its factorization.

18670252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113888 (or 113886 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 18670252 is about 4320.9087007249. The cubic root of 18670252 is about 265.2874630659.

The spelling of 18670252 in words is "eighteen million, six hundred seventy thousand, two hundred fifty-two".