34020005 has 16 divisors (see below), whose sum is σ = 42104448. Its totient is φ = 26376000.

The previous prime is 34020001. The next prime is 34020023. The reversal of 34020005 is 50002043.

It is not a de Polignac number, because 34020005 - 2² = 34020001 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 (34020001) 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 15 ways as a sum of consecutive naturals, for example, 20870 + ... + 22440.

It is an arithmetic number, because the mean of its divisors is an integer number (2631528).

Almost surely, 2^34020005 is an apocalyptic number.

It is an amenable number.

34020005 is a deficient number, since it is larger than the sum of its proper divisors (8084443).

34020005 is a wasteful number, since it uses less digits than its factorization.

34020005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 34020005 is about 5832.6670571875. The cubic root of 34020005 is about 324.0247053508.

Adding to 34020005 its reverse (50002043), we get a palindrome (84022048).

The spelling of 34020005 in words is "thirty-four million, twenty thousand, five".