18530674 has 8 divisors (see below), whose sum is σ = 27814320. Its totient is φ = 9259236.

The previous prime is 18530671. The next prime is 18530693. The reversal of 18530674 is 47603581.

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

It is a super-3 number, since 3×18530674³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (18530671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4057 + ... + 7315.

It is an arithmetic number, because the mean of its divisors is an integer number (3476790).

Almost surely, 2^18530674 is an apocalyptic number.

18530674 is a deficient number, since it is larger than the sum of its proper divisors (9283646).

18530674 is a wasteful number, since it uses less digits than its factorization.

18530674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6104.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 18530674 is about 4304.7269367522. The cubic root of 18530674 is about 264.6247162060.

The spelling of 18530674 in words is "eighteen million, five hundred thirty thousand, six hundred seventy-four".