42568867 has 16 divisors (see below), whose sum is σ = 49432032. Its totient is φ = 36229120.

The previous prime is 42568861. The next prime is 42568871. The reversal of 42568867 is 76886524.

It is a cyclic number.

It is not a de Polignac number, because 42568867 - 2⁷ = 42568739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42568861) 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 15 ways as a sum of consecutive naturals, for example, 43083 + ... + 44059.

It is an arithmetic number, because the mean of its divisors is an integer number (3089502).

Almost surely, 2^42568867 is an apocalyptic number.

42568867 is a deficient number, since it is larger than the sum of its proper divisors (6863165).

42568867 is a wasteful number, since it uses less digits than its factorization.

42568867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238.

The product of its digits is 645120, while the sum is 46.

The square root of 42568867 is about 6524.4821250426. The cubic root of 42568867 is about 349.1649945206.

The spelling of 42568867 in words is "forty-two million, five hundred sixty-eight thousand, eight hundred sixty-seven".