42034003 has 4 divisors (see below), whose sum is σ = 45855288. Its totient is φ = 38212720.

The previous prime is 42034001. The next prime is 42034007. The reversal of 42034003 is 30043024.

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

It is a cyclic number.

It is not a de Polignac number, because 42034003 - 2¹ = 42034001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42034001) 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, 1910626 + ... + 1910647.

It is an arithmetic number, because the mean of its divisors is an integer number (11463822).

Almost surely, 2^42034003 is an apocalyptic number.

42034003 is a deficient number, since it is larger than the sum of its proper divisors (3821285).

42034003 is a wasteful number, since it uses less digits than its factorization.

42034003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821284.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 42034003 is about 6483.3635560564. The cubic root of 42034003 is about 347.6964450057.

Adding to 42034003 its reverse (30043024), we get a palindrome (72077027).

The spelling of 42034003 in words is "forty-two million, thirty-four thousand, three".