42008342 has 8 divisors (see below), whose sum is σ = 63040032. Its totient is φ = 20995000.

The previous prime is 42008341. The next prime is 42008347. The reversal of 42008342 is 24380024.

42008342 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.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42008341) 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, 6467 + ... + 11217.

It is an arithmetic number, because the mean of its divisors is an integer number (7880004).

Almost surely, 2^42008342 is an apocalyptic number.

42008342 is a deficient number, since it is larger than the sum of its proper divisors (21031690).

42008342 is a wasteful number, since it uses less digits than its factorization.

42008342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9174.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 42008342 is about 6481.3842657260. The cubic root of 42008342 is about 347.6256764686.

Adding to 42008342 its reverse (24380024), we get a palindrome (66388366).

The spelling of 42008342 in words is "forty-two million, eight thousand, three hundred forty-two".