41709 has 4 divisors (see below), whose sum is σ = 55616. Its totient is φ = 27804.

The previous prime is 41687. The next prime is 41719. The reversal of 41709 is 90714.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 41709 - 2⁸ = 41453 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 41709.

It is not an unprimeable number, because it can be changed into a prime (41719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6949 + ... + 6954.

It is an arithmetic number, because the mean of its divisors is an integer number (13904).

2⁴¹⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

41709 is a deficient number, since it is larger than the sum of its proper divisors (13907).

41709 is a wasteful number, since it uses less digits than its factorization.

41709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13906.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 41709 is about 204.2278139725. The cubic root of 41709 is about 34.6798006611.

The spelling of 41709 in words is "forty-one thousand, seven hundred nine".