34040005 has 4 divisors (see below), whose sum is σ = 40848012. Its totient is φ = 27232000.

The previous prime is 34040003. The next prime is 34040009. The reversal of 34040005 is 50004043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50004043 = 67 ⋅746329.

It can be written as a sum of positive squares in 2 ways, for example, as 22439169 + 11600836 = 4737^2 + 3406^2 .

It is not a de Polignac number, because 34040005 - 2¹ = 34040003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34040003) 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, 3403996 + ... + 3404005.

It is an arithmetic number, because the mean of its divisors is an integer number (10212003).

Almost surely, 2^34040005 is an apocalyptic number.

It is an amenable number.

34040005 is a deficient number, since it is larger than the sum of its proper divisors (6808007).

34040005 is an equidigital number, since it uses as much as digits as its factorization.

34040005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6808006.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 34040005 is about 5834.3812868204. The cubic root of 34040005 is about 324.0881898073.

Adding to 34040005 its reverse (50004043), we get a palindrome (84044048).

The spelling of 34040005 in words is "thirty-four million, forty thousand, five".