18494734 has 8 divisors (see below), whose sum is σ = 28054080. Its totient is φ = 9143376.

The previous prime is 18494717. The next prime is 18494741. The reversal of 18494734 is 43749481.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51774 + ... + 52129.

It is an arithmetic number, because the mean of its divisors is an integer number (3506760).

Almost surely, 2^18494734 is an apocalyptic number.

18494734 is a deficient number, since it is larger than the sum of its proper divisors (9559346).

18494734 is a wasteful number, since it uses less digits than its factorization.

18494734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103994.

The product of its digits is 96768, while the sum is 40.

The square root of 18494734 is about 4300.5504298869. The cubic root of 18494734 is about 264.4535267590.

The spelling of 18494734 in words is "eighteen million, four hundred ninety-four thousand, seven hundred thirty-four".