42274585 has 4 divisors (see below), whose sum is σ = 50729508. Its totient is φ = 33819664.

The previous prime is 42274579. The next prime is 42274619. The reversal of 42274585 is 58547224.

It is a happy number.

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 9418761 + 32855824 = 3069^2 + 5732^2 .

It is a cyclic number.

It is not a de Polignac number, because 42274585 - 2⁵ = 42274553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4227454 + ... + 4227463.

It is an arithmetic number, because the mean of its divisors is an integer number (12682377).

Almost surely, 2^42274585 is an apocalyptic number.

It is an amenable number.

42274585 is a deficient number, since it is larger than the sum of its proper divisors (8454923).

42274585 is an equidigital number, since it uses as much as digits as its factorization.

42274585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8454922.

The product of its digits is 89600, while the sum is 37.

The square root of 42274585 is about 6501.8908788136. The cubic root of 42274585 is about 348.3585313813.

The spelling of 42274585 in words is "forty-two million, two hundred seventy-four thousand, five hundred eighty-five".