18672674 has 8 divisors (see below), whose sum is σ = 28483920. Its totient is φ = 9178036.

The previous prime is 18672653. The next prime is 18672691. The reversal of 18672674 is 47627681.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79004 + ... + 79239.

It is an arithmetic number, because the mean of its divisors is an integer number (3560490).

Almost surely, 2^18672674 is an apocalyptic number.

18672674 is a deficient number, since it is larger than the sum of its proper divisors (9811246).

18672674 is a wasteful number, since it uses less digits than its factorization.

18672674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158304.

The product of its digits is 112896, while the sum is 41.

The square root of 18672674 is about 4321.1889567572. The cubic root of 18672674 is about 265.2989340493.

The spelling of 18672674 in words is "eighteen million, six hundred seventy-two thousand, six hundred seventy-four".