18748006 has 8 divisors (see below), whose sum is σ = 28507464. Its totient is φ = 9245520.

The previous prime is 18747977. The next prime is 18748021. The reversal of 18748006 is 60084781.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 64060 + ... + 64351.

It is an arithmetic number, because the mean of its divisors is an integer number (3563433).

Almost surely, 2^18748006 is an apocalyptic number.

18748006 is a deficient number, since it is larger than the sum of its proper divisors (9759458).

18748006 is a wasteful number, since it uses less digits than its factorization.

18748006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128486.

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

The square root of 18748006 is about 4329.8967655130. The cubic root of 18748006 is about 265.6552244454.

The spelling of 18748006 in words is "eighteen million, seven hundred forty-eight thousand, six".