42959975 has 12 divisors (see below), whose sum is σ = 55587216. Its totient is φ = 32873280.

The previous prime is 42959971. The next prime is 42959981. The reversal of 42959975 is 57995924.

It is a happy number.

42959975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42959975 - 2² = 42959971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42959971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36782 + ... + 37931.

It is an arithmetic number, because the mean of its divisors is an integer number (4632268).

Almost surely, 2^42959975 is an apocalyptic number.

42959975 is a deficient number, since it is larger than the sum of its proper divisors (12627241).

42959975 is a wasteful number, since it uses less digits than its factorization.

42959975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74746 (or 74741 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 50.

The square root of 42959975 is about 6554.3859361499. The cubic root of 42959975 is about 350.2310719013.

It can be divided in two parts, 42959 and 975, that added together give a palindrome (43934).

The spelling of 42959975 in words is "forty-two million, nine hundred fifty-nine thousand, nine hundred seventy-five".