18714329 has 4 divisors (see below), whose sum is σ = 18723600. Its totient is φ = 18705060.

The previous prime is 18714317. The next prime is 18714347. The reversal of 18714329 is 92341781.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18714329 is a prime.

It is a super-2 number, since 2×18714329² = 700452219840482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18714349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179 + ... + 6120.

It is an arithmetic number, because the mean of its divisors is an integer number (4680900).

Almost surely, 2^18714329 is an apocalyptic number.

It is an amenable number.

18714329 is a deficient number, since it is larger than the sum of its proper divisors (9271).

18714329 is an equidigital number, since it uses as much as digits as its factorization.

18714329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9270.

The product of its digits is 12096, while the sum is 35.

The square root of 18714329 is about 4326.0061257469. The cubic root of 18714329 is about 265.4960638181.

The spelling of 18714329 in words is "eighteen million, seven hundred fourteen thousand, three hundred twenty-nine".