34905447 has 12 divisors (see below), whose sum is σ = 50584144. Its totient is φ = 23194080.

The previous prime is 34905407. The next prime is 34905457. The reversal of 34905447 is 74450943.

34905447 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 34905447 - 2¹⁰ = 34904423 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 (34905407) 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 11 ways as a sum of consecutive naturals, for example, 3379 + ... + 9012.

Almost surely, 2^34905447 is an apocalyptic number.

34905447 is a deficient number, since it is larger than the sum of its proper divisors (15678697).

34905447 is a wasteful number, since it uses less digits than its factorization.

34905447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12710 (or 12707 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 34905447 is about 5908.0831916959. The cubic root of 34905447 is about 326.8118042875.

The spelling of 34905447 in words is "thirty-four million, nine hundred five thousand, four hundred forty-seven".