18126073 has 12 divisors (see below), whose sum is σ = 21461440. Its totient is φ = 14996016.

The previous prime is 18126061. The next prime is 18126079. The reversal of 18126073 is 37062181.

It is not a de Polignac number, because 18126073 - 2¹³ = 18117881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18126079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4348 + ... + 7426.

Almost surely, 2^18126073 is an apocalyptic number.

It is an amenable number.

18126073 is a deficient number, since it is larger than the sum of its proper divisors (3335367).

18126073 is an equidigital number, since it uses as much as digits as its factorization.

18126073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144 (or 3115 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 18126073 is about 4257.4726070757. The cubic root of 18126073 is about 262.6845770624.

The spelling of 18126073 in words is "eighteen million, one hundred twenty-six thousand, seventy-three".