18770252 has 36 divisors (see below), whose sum is σ = 35867160. Its totient is φ = 8570880.

The previous prime is 18770239. The next prime is 18770263. The reversal of 18770252 is 25207781.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72908 + ... + 73164.

It is an arithmetic number, because the mean of its divisors is an integer number (996310).

Almost surely, 2^18770252 is an apocalyptic number.

It is an amenable number.

18770252 is a deficient number, since it is larger than the sum of its proper divisors (17096908).

18770252 is a wasteful number, since it uses less digits than its factorization.

18770252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 18770252 is about 4332.4648873361. The cubic root of 18770252 is about 265.7602565964.

The spelling of 18770252 in words is "eighteen million, seven hundred seventy thousand, two hundred fifty-two".