41721343 has 4 divisors (see below), whose sum is σ = 43160040. Its totient is φ = 40282648.

The previous prime is 41721307. The next prime is 41721347. The reversal of 41721343 is 34312714.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 41721343 - 2¹⁷ = 41590271 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 (41721347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719305 + ... + 719362.

It is an arithmetic number, because the mean of its divisors is an integer number (10790010).

Almost surely, 2^41721343 is an apocalyptic number.

41721343 is a deficient number, since it is larger than the sum of its proper divisors (1438697).

41721343 is a wasteful number, since it uses less digits than its factorization.

41721343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438696.

The product of its digits is 2016, while the sum is 25.

The square root of 41721343 is about 6459.2060657638. The cubic root of 41721343 is about 346.8322127025.

The spelling of 41721343 in words is "forty-one million, seven hundred twenty-one thousand, three hundred forty-three".