18068074 has 4 divisors (see below), whose sum is σ = 27102114. Its totient is φ = 9034036.

The previous prime is 18068033. The next prime is 18068137. The reversal of 18068074 is 47086081.

It is a happy number.

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., 18003049 + 65025 = 4243^2 + 255^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4517017 + ... + 4517020.

Almost surely, 2^18068074 is an apocalyptic number.

18068074 is a deficient number, since it is larger than the sum of its proper divisors (9034040).

18068074 is an equidigital number, since it uses as much as digits as its factorization.

18068074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9034039.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 18068074 is about 4250.6557141222. The cubic root of 18068074 is about 262.4041022342.

The spelling of 18068074 in words is "eighteen million, sixty-eight thousand, seventy-four".