42575238 has 24 divisors (see below), whose sum is σ = 97102200. Its totient is φ = 13444704.

The previous prime is 42575227. The next prime is 42575251. The reversal of 42575238 is 83257524.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 61903 + ... + 62586.

It is an arithmetic number, because the mean of its divisors is an integer number (4045925).

Almost surely, 2^42575238 is an apocalyptic number.

42575238 is an abundant number, since it is smaller than the sum of its proper divisors (54526962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42575238 is a wasteful number, since it uses less digits than its factorization.

42575238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124516 (or 124513 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 42575238 is about 6524.9703447602. The cubic root of 42575238 is about 349.1824127214.

The spelling of 42575238 in words is "forty-two million, five hundred seventy-five thousand, two hundred thirty-eight".