42167406 has 8 divisors (see below), whose sum is σ = 84334824. Its totient is φ = 14055800.

The previous prime is 42167401. The next prime is 42167407. The reversal of 42167406 is 60476124.

42167406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

42167406 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42167401) 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, 3513945 + ... + 3513956.

It is an arithmetic number, because the mean of its divisors is an integer number (10541853).

Almost surely, 2^42167406 is an apocalyptic number.

42167406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42167406 is a wasteful number, since it uses less digits than its factorization.

42167406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027906.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 42167406 is about 6493.6435073077. The cubic root of 42167406 is about 348.0638837667.

The spelling of 42167406 in words is "forty-two million, one hundred sixty-seven thousand, four hundred six".