18675042 has 8 divisors (see below), whose sum is σ = 37350096. Its totient is φ = 6225012.

The previous prime is 18674987. The next prime is 18675053. The reversal of 18675042 is 24057681.

It is a sphenic number, since it is the product of 3 distinct primes.

18675042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 18674994 and 18675012.

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 3 ways as a sum of consecutive naturals, for example, 1556248 + ... + 1556259.

It is an arithmetic number, because the mean of its divisors is an integer number (4668762).

Almost surely, 2^18675042 is an apocalyptic number.

18675042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18675042 is a wasteful number, since it uses less digits than its factorization.

18675042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112512.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 18675042 is about 4321.4629467346. The cubic root of 18675042 is about 265.3101483211.

The spelling of 18675042 in words is "eighteen million, six hundred seventy-five thousand, forty-two".