42874165 has 12 divisors (see below), whose sum is σ = 54301644. Its totient is φ = 32492736.

The previous prime is 42874163. The next prime is 42874177. The reversal of 42874165 is 56147824.

42874165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 23107249 + 19766916 = 4807^2 + 4446^2 .

It is not a de Polignac number, because 42874165 - 2¹ = 42874163 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 (42874163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10072 + ... + 13681.

It is an arithmetic number, because the mean of its divisors is an integer number (4525137).

Almost surely, 2^42874165 is an apocalyptic number.

It is an amenable number.

42874165 is a deficient number, since it is larger than the sum of its proper divisors (11427479).

42874165 is a wasteful number, since it uses less digits than its factorization.

42874165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23796 (or 23777 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 42874165 is about 6547.8366656477. The cubic root of 42874165 is about 349.9977278764.

The spelling of 42874165 in words is "forty-two million, eight hundred seventy-four thousand, one hundred sixty-five".