18074041 has 2 divisors, whose sum is σ = 18074042. Its totient is φ = 18074040.

The previous prime is 18074033. The next prime is 18074057. The reversal of 18074041 is 14047081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11417641 + 6656400 = 3379^2 + 2580^2 .

It is a cyclic number.

It is not a de Polignac number, because 18074041 - 2³ = 18074033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18073997 and 18074015.

It is not a weakly prime, because it can be changed into another prime (18074141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9037020 + 9037021.

It is an arithmetic number, because the mean of its divisors is an integer number (9037021).

Almost surely, 2^18074041 is an apocalyptic number.

It is an amenable number.

18074041 is a deficient number, since it is larger than the sum of its proper divisors (1).

18074041 is an equidigital number, since it uses as much as digits as its factorization.

18074041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 18074041 is about 4251.3575478899. The cubic root of 18074041 is about 262.4329854630.

The spelling of 18074041 in words is "eighteen million, seventy-four thousand, forty-one".