18073346 has 8 divisors (see below), whose sum is σ = 28704780. Its totient is φ = 8505088.

The previous prime is 18073343. The next prime is 18073357. The reversal of 18073346 is 64337081.

It can be written as a sum of positive squares in 2 ways, for example, as 17547721 + 525625 = 4189^2 + 725^2 .

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

It is not an unprimeable number, because it can be changed into a prime (18073343) 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, 265751 + ... + 265818.

Almost surely, 2^18073346 is an apocalyptic number.

18073346 is a deficient number, since it is larger than the sum of its proper divisors (10631434).

18073346 is a wasteful number, since it uses less digits than its factorization.

18073346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531588.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 18073346 is about 4251.2758085074. The cubic root of 18073346 is about 262.4296216467.

The spelling of 18073346 in words is "eighteen million, seventy-three thousand, three hundred forty-six".