18674942 has 64 divisors (see below), whose sum is σ = 36578304. Its totient is φ = 7011840.

The previous prime is 18674939. The next prime is 18674951. The reversal of 18674942 is 24947681.

It is a self number, because there is not a number n which added to its sum of digits gives 18674942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111743 + ... + 111909.

It is an arithmetic number, because the mean of its divisors is an integer number (571536).

Almost surely, 2^18674942 is an apocalyptic number.

18674942 is a deficient number, since it is larger than the sum of its proper divisors (17903362).

18674942 is a wasteful number, since it uses less digits than its factorization.

18674942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233.

The product of its digits is 96768, while the sum is 41.

The square root of 18674942 is about 4321.4513765632. The cubic root of 18674942 is about 265.3096747646.

The spelling of 18674942 in words is "eighteen million, six hundred seventy-four thousand, nine hundred forty-two".