34564905 has 24 divisors (see below), whose sum is σ = 61309248. Its totient is φ = 18004896.

The previous prime is 34564889. The next prime is 34564909. The reversal of 34564905 is 50946543.

It is a happy number.

34564905 is a `hidden beast` number, since 3 + 4 + 5 + 649 + 0 + 5 = 666.

34564905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34564905 - 2⁴ = 34564889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34564905.

It is not an unprimeable number, because it can be changed into a prime (34564909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6997 + ... + 10866.

It is an arithmetic number, because the mean of its divisors is an integer number (2554552).

Almost surely, 2^34564905 is an apocalyptic number.

It is an amenable number.

34564905 is a deficient number, since it is larger than the sum of its proper divisors (26744343).

34564905 is a wasteful number, since it uses less digits than its factorization.

34564905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17917 (or 17914 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 34564905 is about 5879.1925466003. The cubic root of 34564905 is about 325.7455232374.

The spelling of 34564905 in words is "thirty-four million, five hundred sixty-four thousand, nine hundred five".