18734794 has 8 divisors (see below), whose sum is σ = 30263940. Its totient is φ = 8646816.

The previous prime is 18734791. The next prime is 18734803. The reversal of 18734794 is 49743781.

It can be written as a sum of positive squares in 2 ways, for example, as 17330569 + 1404225 = 4163^2 + 1185^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 18734794.

It is not an unprimeable number, because it can be changed into a prime (18734791) 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, 360259 + ... + 360310.

Almost surely, 2^18734794 is an apocalyptic number.

18734794 is a deficient number, since it is larger than the sum of its proper divisors (11529146).

18734794 is a wasteful number, since it uses less digits than its factorization.

18734794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720584.

The product of its digits is 169344, while the sum is 43.

The square root of 18734794 is about 4328.3708251489. The cubic root of 18734794 is about 265.5928060452.

The spelling of 18734794 in words is "eighteen million, seven hundred thirty-four thousand, seven hundred ninety-four".