42327439 has 8 divisors (see below), whose sum is σ = 52771968. Its totient is φ = 32982360.

The previous prime is 42327413. The next prime is 42327463. The reversal of 42327439 is 93472324.

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 42327439 - 2¹⁷ = 42196367 is a prime.

It is a super-2 number, since 2×42327439² = 3583224184597442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42327469) 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, 274777 + ... + 274930.

It is an arithmetic number, because the mean of its divisors is an integer number (6596496).

Almost surely, 2^42327439 is an apocalyptic number.

42327439 is a deficient number, since it is larger than the sum of its proper divisors (10444529).

42327439 is a wasteful number, since it uses less digits than its factorization.

42327439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549725.

The product of its digits is 36288, while the sum is 34.

The square root of 42327439 is about 6505.9541191127. The cubic root of 42327439 is about 348.5036498873.

The spelling of 42327439 in words is "forty-two million, three hundred twenty-seven thousand, four hundred thirty-nine".