42567907 has 4 divisors (see below), whose sum is σ = 42584320. Its totient is φ = 42551496.

The previous prime is 42567901. The next prime is 42567913. The reversal of 42567907 is 70976524.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42567901) and next prime (42567913).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42567907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42567907.

It is not an unprimeable number, because it can be changed into a prime (42567901) 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 3 ways as a sum of consecutive naturals, for example, 3363 + ... + 9820.

It is an arithmetic number, because the mean of its divisors is an integer number (10646080).

Almost surely, 2^42567907 is an apocalyptic number.

42567907 is a deficient number, since it is larger than the sum of its proper divisors (16413).

42567907 is a wasteful number, since it uses less digits than its factorization.

42567907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16412.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 42567907 is about 6524.4085555704. The cubic root of 42567907 is about 349.1623697470.

The spelling of 42567907 in words is "forty-two million, five hundred sixty-seven thousand, nine hundred seven".