42034005 has 64 divisors (see below), whose sum is σ = 82494720. Its totient is φ = 20176128.

The previous prime is 42034001. The next prime is 42034007. The reversal of 42034005 is 50043024.

It is a happy number.

It is not a de Polignac number, because 42034005 - 2² = 42034001 is a prime.

It is a congruent 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 63 ways as a sum of consecutive naturals, for example, 75187 + ... + 75743.

It is an arithmetic number, because the mean of its divisors is an integer number (1288980).

Almost surely, 2^42034005 is an apocalyptic number.

42034005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42034005 is a deficient number, since it is larger than the sum of its proper divisors (40460715).

42034005 is a wasteful number, since it uses less digits than its factorization.

42034005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 42034005 is about 6483.3637102973. The cubic root of 42034005 is about 347.6964505203.

Adding to 42034005 its reverse (50043024), we get a palindrome (92077029).

The spelling of 42034005 in words is "forty-two million, thirty-four thousand, five".