34642005 has 16 divisors (see below), whose sum is σ = 58688064. Its totient is φ = 17388800.

The previous prime is 34642001. The next prime is 34642021. The reversal of 34642005 is 50024643.

It is not a de Polignac number, because 34642005 - 2² = 34642001 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34642001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67671 + ... + 68180.

It is an arithmetic number, because the mean of its divisors is an integer number (3668004).

Almost surely, 2^34642005 is an apocalyptic number.

It is an amenable number.

34642005 is a deficient number, since it is larger than the sum of its proper divisors (24046059).

34642005 is a wasteful number, since it uses less digits than its factorization.

34642005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135876.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 34642005 is about 5885.7459170440. The cubic root of 34642005 is about 325.9875445327.

Adding to 34642005 its reverse (50024643), we get a palindrome (84666648).

The spelling of 34642005 in words is "thirty-four million, six hundred forty-two thousand, five".