42043334 has 4 divisors (see below), whose sum is σ = 63065004. Its totient is φ = 21021666.

The previous prime is 42043321. The next prime is 42043357. The reversal of 42043334 is 43334024.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10510832 + ... + 10510835.

It is an arithmetic number, because the mean of its divisors is an integer number (15766251).

Almost surely, 2^42043334 is an apocalyptic number.

42043334 is a deficient number, since it is larger than the sum of its proper divisors (21021670).

42043334 is a wasteful number, since it uses less digits than its factorization.

42043334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21021669.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 42043334 is about 6484.0831271661. The cubic root of 42043334 is about 347.7221711263.

Adding to 42043334 its reverse (43334024), we get a palindrome (85377358).

The spelling of 42043334 in words is "forty-two million, forty-three thousand, three hundred thirty-four".