18608734 has 4 divisors (see below), whose sum is σ = 27913104. Its totient is φ = 9304366.

The previous prime is 18608731. The next prime is 18608753. The reversal of 18608734 is 43780681.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 18608693 and 18608702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18608731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4652182 + ... + 4652185.

It is an arithmetic number, because the mean of its divisors is an integer number (6978276).

Almost surely, 2^18608734 is an apocalyptic number.

18608734 is a deficient number, since it is larger than the sum of its proper divisors (9304370).

18608734 is an equidigital number, since it uses as much as digits as its factorization.

18608734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9304369.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 18608734 is about 4313.7841856078. The cubic root of 18608734 is about 264.9957706694.

The spelling of 18608734 in words is "eighteen million, six hundred eight thousand, seven hundred thirty-four".