18674134 has 16 divisors (see below), whose sum is σ = 28755648. Its totient is φ = 9091072.

The previous prime is 18674129. The next prime is 18674141. The reversal of 18674134 is 43147681.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 18674134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23772 + ... + 24544.

It is an arithmetic number, because the mean of its divisors is an integer number (1797228).

Almost surely, 2^18674134 is an apocalyptic number.

18674134 is a deficient number, since it is larger than the sum of its proper divisors (10081514).

18674134 is a wasteful number, since it uses less digits than its factorization.

18674134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079.

The product of its digits is 16128, while the sum is 34.

The square root of 18674134 is about 4321.3578884420. The cubic root of 18674134 is about 265.3058483661.

The spelling of 18674134 in words is "eighteen million, six hundred seventy-four thousand, one hundred thirty-four".