18046773 has 16 divisors (see below), whose sum is σ = 27061440. Its totient is φ = 11884752.

The previous prime is 18046739. The next prime is 18046783. The reversal of 18046773 is 37764081.

It is not a de Polignac number, because 18046773 - 2¹⁶ = 17981237 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18046723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1786 + ... + 6267.

It is an arithmetic number, because the mean of its divisors is an integer number (1691340).

Almost surely, 2^18046773 is an apocalyptic number.

It is an amenable number.

18046773 is a deficient number, since it is larger than the sum of its proper divisors (9014667).

18046773 is an equidigital number, since it uses as much as digits as its factorization.

18046773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8145 (or 8139 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 18046773 is about 4248.1493617810. The cubic root of 18046773 is about 262.3009429683.

The spelling of 18046773 in words is "eighteen million, forty-six thousand, seven hundred seventy-three".