18274106 has 4 divisors (see below), whose sum is σ = 27411162. Its totient is φ = 9137052.

The previous prime is 18274073. The next prime is 18274111. The reversal of 18274106 is 60147281.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12709225 + 5564881 = 3565^2 + 2359^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4568525 + ... + 4568528.

Almost surely, 2^18274106 is an apocalyptic number.

18274106 is a deficient number, since it is larger than the sum of its proper divisors (9137056).

18274106 is an equidigital number, since it uses as much as digits as its factorization.

18274106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9137055.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 18274106 is about 4274.8223354895. The cubic root of 18274106 is about 263.3977413711.

The spelling of 18274106 in words is "eighteen million, two hundred seventy-four thousand, one hundred six".