18074 has 8 divisors (see below), whose sum is σ = 31008. Its totient is φ = 7740.

The previous prime is 18061. The next prime is 18077. The reversal of 18074 is 47081.

It is a happy number.

18074 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

18074 is a modest number, since divided by 74 gives 18 as remainder.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (18077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632 + ... + 659.

It is an arithmetic number, because the mean of its divisors is an integer number (3876).

2¹⁸⁰⁷⁴ is an apocalyptic number.

18074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18074 is a deficient number, since it is larger than the sum of its proper divisors (12934).

18074 is a wasteful number, since it uses less digits than its factorization.

18074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 18074 is about 134.4395775060. The cubic root of 18074 is about 26.2432787024.

The spelling of 18074 in words is "eighteen thousand, seventy-four".