18970030 has 16 divisors (see below), whose sum is σ = 34467120. Its totient is φ = 7516672.

The previous prime is 18970027. The next prime is 18970043. The reversal of 18970030 is 3007981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7795 + ... + 9934.

It is an arithmetic number, because the mean of its divisors is an integer number (2154195).

Almost surely, 2^18970030 is an apocalyptic number.

18970030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18970030 is a deficient number, since it is larger than the sum of its proper divisors (15497090).

18970030 is a wasteful number, since it uses less digits than its factorization.

18970030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17843.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 18970030 is about 4355.4597920311. The cubic root of 18970030 is about 266.6997892885.

The spelling of 18970030 in words is "eighteen million, nine hundred seventy thousand, thirty".