18869073 has 8 divisors (see below), whose sum is σ = 25215648. Its totient is φ = 12550944.

The previous prime is 18869063. The next prime is 18869083. The reversal of 18869073 is 37096881.

It is an interprime number because it is at equal distance from previous prime (18869063) and next prime (18869083).

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

It is not a de Polignac number, because 18869073 - 2⁵ = 18869041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18869003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5511 + ... + 8252.

It is an arithmetic number, because the mean of its divisors is an integer number (3151956).

Almost surely, 2^18869073 is an apocalyptic number.

It is an amenable number.

18869073 is a deficient number, since it is larger than the sum of its proper divisors (6346575).

18869073 is a wasteful number, since it uses less digits than its factorization.

18869073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14223.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 18869073 is about 4343.8546246393. The cubic root of 18869073 is about 266.2258291003.

The spelling of 18869073 in words is "eighteen million, eight hundred sixty-nine thousand, seventy-three".