42312075 has 24 divisors (see below), whose sum is σ = 75338928. Its totient is φ = 20830080.

The previous prime is 42312071. The next prime is 42312077. The reversal of 42312075 is 57021324.

It is not a de Polignac number, because 42312075 - 2² = 42312071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42312071) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 20724 + ... + 22673.

It is an arithmetic number, because the mean of its divisors is an integer number (3139122).

Almost surely, 2^42312075 is an apocalyptic number.

42312075 is a deficient number, since it is larger than the sum of its proper divisors (33026853).

42312075 is a wasteful number, since it uses less digits than its factorization.

42312075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43423 (or 43418 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 42312075 is about 6504.7732473930. The cubic root of 42312075 is about 348.4614782040.

Adding to 42312075 its reverse (57021324), we get a palindrome (99333399).

The spelling of 42312075 in words is "forty-two million, three hundred twelve thousand, seventy-five".