41739221 has 4 divisors (see below), whose sum is σ = 42019500. Its totient is φ = 41458944.

The previous prime is 41739209. The next prime is 41739223. The reversal of 41739221 is 12293714.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10491121 + 31248100 = 3239^2 + 5590^2 .

It is a cyclic number.

It is not a de Polignac number, because 41739221 - 2¹⁰ = 41738197 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 (41739223) 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, 139916 + ... + 140213.

It is an arithmetic number, because the mean of its divisors is an integer number (10504875).

Almost surely, 2^41739221 is an apocalyptic number.

It is an amenable number.

41739221 is a deficient number, since it is larger than the sum of its proper divisors (280279).

41739221 is a wasteful number, since it uses less digits than its factorization.

41739221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280278.

The product of its digits is 3024, while the sum is 29.

The square root of 41739221 is about 6460.5898337536. The cubic root of 41739221 is about 346.8817459500.

The spelling of 41739221 in words is "forty-one million, seven hundred thirty-nine thousand, two hundred twenty-one".