18474482 has 8 divisors (see below), whose sum is σ = 29843436. Its totient is φ = 8526672.

The previous prime is 18474457. The next prime is 18474487. The reversal of 18474482 is 28447481.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18395521 + 78961 = 4289^2 + 281^2 .

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

It is not an unprimeable number, because it can be changed into a prime (18474487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355253 + ... + 355304.

Almost surely, 2^18474482 is an apocalyptic number.

18474482 is a deficient number, since it is larger than the sum of its proper divisors (11368954).

18474482 is a wasteful number, since it uses less digits than its factorization.

18474482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710572.

The product of its digits is 57344, while the sum is 38.

The square root of 18474482 is about 4298.1952026403. The cubic root of 18474482 is about 264.3569646984.

The spelling of 18474482 in words is "eighteen million, four hundred seventy-four thousand, four hundred eighty-two".