42842075 has 6 divisors (see below), whose sum is σ = 53124204. Its totient is φ = 34273640.

The previous prime is 42842071. The next prime is 42842099. The reversal of 42842075 is 57024824.

It is not a de Polignac number, because 42842075 - 2² = 42842071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42842071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 856817 + ... + 856866.

It is an arithmetic number, because the mean of its divisors is an integer number (8854034).

Almost surely, 2^42842075 is an apocalyptic number.

42842075 is a deficient number, since it is larger than the sum of its proper divisors (10282129).

42842075 is a wasteful number, since it uses less digits than its factorization.

42842075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713693 (or 1713688 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 42842075 is about 6545.3857793105. The cubic root of 42842075 is about 349.9103852201.

Adding to 42842075 its reverse (57024824), we get a palindrome (99866899).

The spelling of 42842075 in words is "forty-two million, eight hundred forty-two thousand, seventy-five".