18083073 has 4 divisors (see below), whose sum is σ = 24110768. Its totient is φ = 12055380.

The previous prime is 18083071. The next prime is 18083077. The reversal of 18083073 is 37038081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 18083073 - 2¹ = 18083071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18083073.

It is not an unprimeable number, because it can be changed into a prime (18083071) by changing a digit.

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, 3013843 + ... + 3013848.

It is an arithmetic number, because the mean of its divisors is an integer number (6027692).

Almost surely, 2^18083073 is an apocalyptic number.

It is an amenable number.

18083073 is a deficient number, since it is larger than the sum of its proper divisors (6027695).

18083073 is an equidigital number, since it uses as much as digits as its factorization.

18083073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027694.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 18083073 is about 4252.4196641442. The cubic root of 18083073 is about 262.4766927152.

Adding to 18083073 its product of nonzero digits (4032), we get a triangular number (18087105 = T₆₀₁₄).

The spelling of 18083073 in words is "eighteen million, eighty-three thousand, seventy-three".