18734614 has 4 divisors (see below), whose sum is σ = 28101924. Its totient is φ = 9367306.

The previous prime is 18734603. The next prime is 18734641. The reversal of 18734614 is 41643781.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41643781 = 479 ⋅86939.

It is a self number, because there is not a number n which added to its sum of digits gives 18734614.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4683652 + ... + 4683655.

It is an arithmetic number, because the mean of its divisors is an integer number (7025481).

Almost surely, 2^18734614 is an apocalyptic number.

18734614 is a deficient number, since it is larger than the sum of its proper divisors (9367310).

18734614 is an equidigital number, since it uses as much as digits as its factorization.

18734614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9367309.

The product of its digits is 16128, while the sum is 34.

The square root of 18734614 is about 4328.3500320561. The cubic root of 18734614 is about 265.5919554557.

The spelling of 18734614 in words is "eighteen million, seven hundred thirty-four thousand, six hundred fourteen".