18348734 has 8 divisors (see below), whose sum is σ = 27544440. Its totient is φ = 9167256.

The previous prime is 18348719. The next prime is 18348749. The reversal of 18348734 is 43784381.

It is an interprime number because it is at equal distance from previous prime (18348719) and next prime (18348749).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677 + ... + 6095.

It is an arithmetic number, because the mean of its divisors is an integer number (3443055).

Almost surely, 2^18348734 is an apocalyptic number.

18348734 is a deficient number, since it is larger than the sum of its proper divisors (9195706).

18348734 is a wasteful number, since it uses less digits than its factorization.

18348734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114.

The product of its digits is 64512, while the sum is 38.

The square root of 18348734 is about 4283.5422257753. The cubic root of 18348734 is about 263.7558099392.

The spelling of 18348734 in words is "eighteen million, three hundred forty-eight thousand, seven hundred thirty-four".