42085067 has 4 divisors (see below), whose sum is σ = 42592200. Its totient is φ = 41577936.

The previous prime is 42085051. The next prime is 42085091. The reversal of 42085067 is 76058024.

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

It is a cyclic number.

It is not a de Polignac number, because 42085067 - 2⁴ = 42085051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42085007) 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, 253442 + ... + 253607.

It is an arithmetic number, because the mean of its divisors is an integer number (10648050).

Almost surely, 2^42085067 is an apocalyptic number.

42085067 is a deficient number, since it is larger than the sum of its proper divisors (507133).

42085067 is an equidigital number, since it uses as much as digits as its factorization.

42085067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507132.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 42085067 is about 6487.3004400906. The cubic root of 42085067 is about 347.8371849242.

The spelling of 42085067 in words is "forty-two million, eighty-five thousand, sixty-seven".