18671714 has 8 divisors (see below), whose sum is σ = 28269648. Its totient is φ = 9248500.

The previous prime is 18671713. The next prime is 18671743. The reversal of 18671714 is 41717681.

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 (18671713) by changing a digit.

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, 43412 + ... + 43839.

It is an arithmetic number, because the mean of its divisors is an integer number (3533706).

Almost surely, 2^18671714 is an apocalyptic number.

18671714 is a deficient number, since it is larger than the sum of its proper divisors (9597934).

18671714 is a wasteful number, since it uses less digits than its factorization.

18671714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87360.

The product of its digits is 9408, while the sum is 35.

The square root of 18671714 is about 4321.0778747900. The cubic root of 18671714 is about 265.2943874528.

The spelling of 18671714 in words is "eighteen million, six hundred seventy-one thousand, seven hundred fourteen".