18213074 has 8 divisors (see below), whose sum is σ = 29803248. Its totient is φ = 8278660.

The previous prime is 18213067. The next prime is 18213101. The reversal of 18213074 is 47031281.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413912 + ... + 413955.

It is an arithmetic number, because the mean of its divisors is an integer number (3725406).

Almost surely, 2^18213074 is an apocalyptic number.

18213074 is a deficient number, since it is larger than the sum of its proper divisors (11590174).

18213074 is a wasteful number, since it uses less digits than its factorization.

18213074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827880.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 18213074 is about 4267.6778228915. The cubic root of 18213074 is about 263.1041817153.

The spelling of 18213074 in words is "eighteen million, two hundred thirteen thousand, seventy-four".