34000645 has 16 divisors (see below), whose sum is σ = 48135168. Its totient is φ = 22561920.

The previous prime is 34000643. The next prime is 34000649. The reversal of 34000645 is 54600043.

It is not a de Polignac number, because 34000645 - 2¹ = 34000643 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 (34000643) 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, 14584 + ... + 16753.

It is an arithmetic number, because the mean of its divisors is an integer number (3008448).

Almost surely, 2^34000645 is an apocalyptic number.

34000645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34000645 is a deficient number, since it is larger than the sum of its proper divisors (14134523).

34000645 is a wasteful number, since it uses less digits than its factorization.

34000645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31380.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 34000645 is about 5831.0072028767. The cubic root of 34000645 is about 323.9632286928.

Adding to 34000645 its reverse (54600043), we get a palindrome (88600688).

The spelling of 34000645 in words is "thirty-four million, six hundred forty-five", and thus it is an aban number.