18342674 has 16 divisors (see below), whose sum is σ = 32529600. Its totient is φ = 7589904.

The previous prime is 18342673. The next prime is 18342683. The reversal of 18342674 is 47624381.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18342673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22184 + ... + 22995.

It is an arithmetic number, because the mean of its divisors is an integer number (2033100).

Almost surely, 2^18342674 is an apocalyptic number.

18342674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18342674 is a deficient number, since it is larger than the sum of its proper divisors (14186926).

18342674 is a wasteful number, since it uses less digits than its factorization.

18342674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45217.

The product of its digits is 32256, while the sum is 35.

The square root of 18342674 is about 4282.8348088620. The cubic root of 18342674 is about 263.7267700391.

The spelling of 18342674 in words is "eighteen million, three hundred forty-two thousand, six hundred seventy-four".