41661743 has 2 divisors, whose sum is σ = 41661744. Its totient is φ = 41661742.

The previous prime is 41661721. The next prime is 41661751. The reversal of 41661743 is 34716614.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41661743 - 2¹² = 41657647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41661703) 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, 20830871 + 20830872.

It is an arithmetic number, because the mean of its divisors is an integer number (20830872).

Almost surely, 2^41661743 is an apocalyptic number.

41661743 is a deficient number, since it is larger than the sum of its proper divisors (1).

41661743 is an equidigital number, since it uses as much as digits as its factorization.

41661743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 41661743 is about 6454.5908468314. The cubic root of 41661743 is about 346.6669811182. Note that the first 3 decimals are identical.

The spelling of 41661743 in words is "forty-one million, six hundred sixty-one thousand, seven hundred forty-three".