18114773 has 2 divisors, whose sum is σ = 18114774. Its totient is φ = 18114772.

The previous prime is 18114769. The next prime is 18114791. The reversal of 18114773 is 37741181.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14455204 + 3659569 = 3802^2 + 1913^2 .

It is an emirp because it is prime and its reverse (37741181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18114773 - 2² = 18114769 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18114703) 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 as a sum of consecutive naturals, namely, 9057386 + 9057387.

It is an arithmetic number, because the mean of its divisors is an integer number (9057387).

Almost surely, 2^18114773 is an apocalyptic number.

It is an amenable number.

18114773 is a deficient number, since it is larger than the sum of its proper divisors (1).

18114773 is an equidigital number, since it uses as much as digits as its factorization.

18114773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 32.

The square root of 18114773 is about 4256.1453217671. The cubic root of 18114773 is about 262.6299788644.

The spelling of 18114773 in words is "eighteen million, one hundred fourteen thousand, seven hundred seventy-three".