18371741 has 2 divisors, whose sum is σ = 18371742. Its totient is φ = 18371740.

The previous prime is 18371737. The next prime is 18371753. The reversal of 18371741 is 14717381.

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., 10272025 + 8099716 = 3205^2 + 2846^2 .

It is a cyclic number.

It is not a de Polignac number, because 18371741 - 2² = 18371737 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 18371698 and 18371707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18371341) 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, 9185870 + 9185871.

It is an arithmetic number, because the mean of its divisors is an integer number (9185871).

Almost surely, 2^18371741 is an apocalyptic number.

It is an amenable number.

18371741 is a deficient number, since it is larger than the sum of its proper divisors (1).

18371741 is an equidigital number, since it uses as much as digits as its factorization.

18371741 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 18371741 is about 4286.2268955341. The cubic root of 18371741 is about 263.8660027445.

The spelling of 18371741 in words is "eighteen million, three hundred seventy-one thousand, seven hundred forty-one".