41728439 has 2 divisors, whose sum is σ = 41728440. Its totient is φ = 41728438.

The previous prime is 41728411. The next prime is 41728441. The reversal of 41728439 is 93482714.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41728439 is a prime.

Together with 41728441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41728469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20864219 + 20864220.

It is an arithmetic number, because the mean of its divisors is an integer number (20864220).

Almost surely, 2^41728439 is an apocalyptic number.

41728439 is a deficient number, since it is larger than the sum of its proper divisors (1).

41728439 is an equidigital number, since it uses as much as digits as its factorization.

41728439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 41728439 is about 6459.7553359241. The cubic root of 41728439 is about 346.8518747563.

The spelling of 41728439 in words is "forty-one million, seven hundred twenty-eight thousand, four hundred thirty-nine".