18874066 has 16 divisors (see below), whose sum is σ = 28788480. Its totient is φ = 9279360.

The previous prime is 18874061. The next prime is 18874067. The reversal of 18874066 is 66047881.

18874066 is nontrivially palindromic in base 13.

It is not an unprimeable number, because it can be changed into a prime (18874061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52395 + ... + 52753.

It is an arithmetic number, because the mean of its divisors is an integer number (1799280).

Almost surely, 2^18874066 is an apocalyptic number.

18874066 is a deficient number, since it is larger than the sum of its proper divisors (9914414).

18874066 is a wasteful number, since it uses less digits than its factorization.

18874066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 18874066 is about 4344.4293065948. The cubic root of 18874066 is about 266.2493092916.

The spelling of 18874066 in words is "eighteen million, eight hundred seventy-four thousand, sixty-six".