18827042 has 8 divisors (see below), whose sum is σ = 30412956. Its totient is φ = 8689392.

The previous prime is 18827027. The next prime is 18827059. The reversal of 18827042 is 24072881.

It can be written as a sum of positive squares in 2 ways, for example, as 18826921 + 121 = 4339^2 + 11^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362033 + ... + 362084.

Almost surely, 2^18827042 is an apocalyptic number.

18827042 is a deficient number, since it is larger than the sum of its proper divisors (11585914).

18827042 is a wasteful number, since it uses less digits than its factorization.

18827042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724132.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 18827042 is about 4339.0139432825. The cubic root of 18827042 is about 266.0280088094.

The spelling of 18827042 in words is "eighteen million, eight hundred twenty-seven thousand, forty-two".