41742309 has 16 divisors (see below), whose sum is σ = 66373632. Its totient is φ = 22815408.

The previous prime is 41742307. The next prime is 41742317. The reversal of 41742309 is 90324714.

It is a happy number.

It is not a de Polignac number, because 41742309 - 2¹ = 41742307 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41742307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42729 + ... + 43694.

It is an arithmetic number, because the mean of its divisors is an integer number (4148352).

Almost surely, 2^41742309 is an apocalyptic number.

It is an amenable number.

41742309 is a deficient number, since it is larger than the sum of its proper divisors (24631323).

41742309 is a wasteful number, since it uses less digits than its factorization.

41742309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86456.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 41742309 is about 6460.8288168005. The cubic root of 41742309 is about 346.8903002098.

The spelling of 41742309 in words is "forty-one million, seven hundred forty-two thousand, three hundred nine".