42242075 has 12 divisors (see below), whose sum is σ = 52492920. Its totient is φ = 33720960.

The previous prime is 42242071. The next prime is 42242077. The reversal of 42242075 is 57024224.

It is not a de Polignac number, because 42242075 - 2² = 42242071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42242071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12131 + ... + 15219.

It is an arithmetic number, because the mean of its divisors is an integer number (4374410).

Almost surely, 2^42242075 is an apocalyptic number.

42242075 is a deficient number, since it is larger than the sum of its proper divisors (10250845).

42242075 is a wasteful number, since it uses less digits than its factorization.

42242075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646 (or 3641 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 42242075 is about 6499.3903560257. The cubic root of 42242075 is about 348.2692102586.

Adding to 42242075 its reverse (57024224), we get a palindrome (99266299).

The spelling of 42242075 in words is "forty-two million, two hundred forty-two thousand, seventy-five".