41721317 has 8 divisors (see below), whose sum is σ = 45795360. Its totient is φ = 37694160.

The previous prime is 41721307. The next prime is 41721347. The reversal of 41721317 is 71312714.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41721317 - 2⁴ = 41721301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41721307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9842 + ... + 13427.

It is an arithmetic number, because the mean of its divisors is an integer number (5724420).

Almost surely, 2^41721317 is an apocalyptic number.

It is an amenable number.

41721317 is a deficient number, since it is larger than the sum of its proper divisors (4074043).

41721317 is a wasteful number, since it uses less digits than its factorization.

41721317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23443.

The product of its digits is 1176, while the sum is 26.

The square root of 41721317 is about 6459.2040531322. The cubic root of 41721317 is about 346.8321406559.

The spelling of 41721317 in words is "forty-one million, seven hundred twenty-one thousand, three hundred seventeen".