18674474 has 16 divisors (see below), whose sum is σ = 34476288. Its totient is φ = 7387632.

The previous prime is 18674471. The next prime is 18674489. The reversal of 18674474 is 47447681.

It is not an unprimeable number, because it can be changed into a prime (18674471) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 51122 + ... + 51485.

It is an arithmetic number, because the mean of its divisors is an integer number (2154768).

Almost surely, 2^18674474 is an apocalyptic number.

18674474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18674474 is a deficient number, since it is larger than the sum of its proper divisors (15801814).

18674474 is a wasteful number, since it uses less digits than its factorization.

18674474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102629.

The product of its digits is 150528, while the sum is 41.

The square root of 18674474 is about 4321.3972277494. The cubic root of 18674474 is about 265.3074584977.

The spelling of 18674474 in words is "eighteen million, six hundred seventy-four thousand, four hundred seventy-four".