42434342 has 8 divisors (see below), whose sum is σ = 64282032. Its totient is φ = 21007000.

The previous prime is 42434341. The next prime is 42434347. The reversal of 42434342 is 24343424.

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 (42434341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104834 + ... + 105237.

It is an arithmetic number, because the mean of its divisors is an integer number (8035254).

Almost surely, 2^42434342 is an apocalyptic number.

42434342 is a deficient number, since it is larger than the sum of its proper divisors (21847690).

42434342 is a wasteful number, since it uses less digits than its factorization.

42434342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210174.

The product of its digits is 9216, while the sum is 26.

The square root of 42434342 is about 6514.1647200543. The cubic root of 42434342 is about 348.7967990879.

Adding to 42434342 its reverse (24343424), we get a palindrome (66777766).

The spelling of 42434342 in words is "forty-two million, four hundred thirty-four thousand, three hundred forty-two".