42042675 has 24 divisors (see below), whose sum is σ = 70995456. Its totient is φ = 21943840.

The previous prime is 42042673. The next prime is 42042677. The reversal of 42042675 is 57624024.

It is an interprime number because it is at equal distance from previous prime (42042673) and next prime (42042677).

It is not a de Polignac number, because 42042675 - 2¹ = 42042673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42042673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2439 + ... + 9488.

It is an arithmetic number, because the mean of its divisors is an integer number (2958144).

Almost surely, 2^42042675 is an apocalyptic number.

42042675 is a deficient number, since it is larger than the sum of its proper divisors (28952781).

42042675 is a wasteful number, since it uses less digits than its factorization.

42042675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11987 (or 11982 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 42042675 is about 6484.0323102218. The cubic root of 42042675 is about 347.7203543492.

Adding to 42042675 its reverse (57624024), we get a palindrome (99666699).

The spelling of 42042675 in words is "forty-two million, forty-two thousand, six hundred seventy-five".