18674045 has 16 divisors (see below), whose sum is σ = 25183872. Its totient is φ = 13189440.

The previous prime is 18674023. The next prime is 18674063. The reversal of 18674045 is 54047681.

It is not a de Polignac number, because 18674045 - 2⁶ = 18673981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18673996 and 18674014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4751 + ... + 7740.

It is an arithmetic number, because the mean of its divisors is an integer number (1573992).

Almost surely, 2^18674045 is an apocalyptic number.

It is an amenable number.

18674045 is a deficient number, since it is larger than the sum of its proper divisors (6509827).

18674045 is a wasteful number, since it uses less digits than its factorization.

18674045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12532.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 18674045 is about 4321.3475907406. The cubic root of 18674045 is about 265.3054268872.

The spelling of 18674045 in words is "eighteen million, six hundred seventy-four thousand, forty-five".