42867507 has 4 divisors (see below), whose sum is σ = 57156680. Its totient is φ = 28578336.

The previous prime is 42867493. The next prime is 42867511. The reversal of 42867507 is 70576824.

42867507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42867507 - 2⁶ = 42867443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42867577) 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 3 ways as a sum of consecutive naturals, for example, 7144582 + ... + 7144587.

It is an arithmetic number, because the mean of its divisors is an integer number (14289170).

Almost surely, 2^42867507 is an apocalyptic number.

42867507 is a deficient number, since it is larger than the sum of its proper divisors (14289173).

42867507 is a wasteful number, since it uses less digits than its factorization.

42867507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14289172.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 42867507 is about 6547.3282337149. The cubic root of 42867507 is about 349.9796096965.

The spelling of 42867507 in words is "forty-two million, eight hundred sixty-seven thousand, five hundred seven".