18063242 has 8 divisors (see below), whose sum is σ = 27192132. Its totient is φ = 8999200.

The previous prime is 18063217. The next prime is 18063277. The reversal of 18063242 is 24236081.

It can be written as a sum of positive squares in 2 ways, for example, as 14969161 + 3094081 = 3869^2 + 1759^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15509 + ... + 16632.

Almost surely, 2^18063242 is an apocalyptic number.

18063242 is a deficient number, since it is larger than the sum of its proper divisors (9128890).

18063242 is a wasteful number, since it uses less digits than its factorization.

18063242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32424.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 18063242 is about 4250.0872932212. The cubic root of 18063242 is about 262.3807083062.

The spelling of 18063242 in words is "eighteen million, sixty-three thousand, two hundred forty-two".