18714365 has 8 divisors (see below), whose sum is σ = 23778360. Its totient is φ = 14090752.

The previous prime is 18714361. The next prime is 18714419. The reversal of 18714365 is 56341781.

It can be written as a sum of positive squares in 4 ways, for example, as 4418404 + 14295961 = 2102^2 + 3781^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 18714365 - 2² = 18714361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18714361) 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, 110000 + ... + 110169.

It is an arithmetic number, because the mean of its divisors is an integer number (2972295).

Almost surely, 2^18714365 is an apocalyptic number.

It is an amenable number.

18714365 is a deficient number, since it is larger than the sum of its proper divisors (5063995).

18714365 is a wasteful number, since it uses less digits than its factorization.

18714365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220191.

The product of its digits is 20160, while the sum is 35.

The square root of 18714365 is about 4326.0102866267. The cubic root of 18714365 is about 265.4962340593.

The spelling of 18714365 in words is "eighteen million, seven hundred fourteen thousand, three hundred sixty-five".