18697030 has 32 divisors (see below), whose sum is σ = 37905408. Its totient is φ = 6578400.

The previous prime is 18697001. The next prime is 18697033. The reversal of 18697030 is 3079681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18697033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669 + ... + 6151.

It is an arithmetic number, because the mean of its divisors is an integer number (1184544).

Almost surely, 2^18697030 is an apocalyptic number.

18697030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18697030 is an abundant number, since it is smaller than the sum of its proper divisors (19208378).

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

18697030 is a wasteful number, since it uses less digits than its factorization.

18697030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5532.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 18697030 is about 4324.0062442138. The cubic root of 18697030 is about 265.4142328978.

The spelling of 18697030 in words is "eighteen million, six hundred ninety-seven thousand, thirty".