42320167 has 4 divisors (see below), whose sum is σ = 42333280. Its totient is φ = 42307056.

The previous prime is 42320143. The next prime is 42320203. The reversal of 42320167 is 76102324.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42320167 - 2¹¹ = 42318119 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 (42320767) 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, 2059 + ... + 9427.

It is an arithmetic number, because the mean of its divisors is an integer number (10583320).

Almost surely, 2^42320167 is an apocalyptic number.

42320167 is a deficient number, since it is larger than the sum of its proper divisors (13113).

42320167 is an equidigital number, since it uses as much as digits as its factorization.

42320167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13112.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 42320167 is about 6505.3952224288. The cubic root of 42320167 is about 348.4836907012.

The spelling of 42320167 in words is "forty-two million, three hundred twenty thousand, one hundred sixty-seven".