18714474 has 24 divisors (see below), whose sum is σ = 40849380. Its totient is φ = 6191808.

The previous prime is 18714473. The next prime is 18714517. The reversal of 18714474 is 47441781.

18714474 is a `hidden beast` number, since 187 + 1 + 4 + 474 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17164449 + 1550025 = 4143^2 + 1245^2 .

It is not an unprimeable number, because it can be changed into a prime (18714473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1329 + ... + 6260.

Almost surely, 2^18714474 is an apocalyptic number.

18714474 is an abundant number, since it is smaller than the sum of its proper divisors (22134906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18714474 is a wasteful number, since it uses less digits than its factorization.

18714474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7734 (or 7731 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 18714474 is about 4326.0228848216. The cubic root of 18714474 is about 265.4967495107.

The spelling of 18714474 in words is "eighteen million, seven hundred fourteen thousand, four hundred seventy-four".