17742041 has 2 divisors, whose sum is σ = 17742042. Its totient is φ = 17742040.

The previous prime is 17742037. The next prime is 17742071. The reversal of 17742041 is 14024771.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15840400 + 1901641 = 3980^2 + 1379^2 .

It is a cyclic number.

It is not a de Polignac number, because 17742041 - 2² = 17742037 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17742041.

It is not a weakly prime, because it can be changed into another prime (17742031) 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, 8871020 + 8871021.

It is an arithmetic number, because the mean of its divisors is an integer number (8871021).

Almost surely, 2^17742041 is an apocalyptic number.

It is an amenable number.

17742041 is a deficient number, since it is larger than the sum of its proper divisors (1).

17742041 is an equidigital number, since it uses as much as digits as its factorization.

17742041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 17742041 is about 4212.1302211589. The cubic root of 17742041 is about 260.8161778217.

The spelling of 17742041 in words is "seventeen million, seven hundred forty-two thousand, forty-one".