34731909 has 40 divisors (see below), whose sum is σ = 54966912. Its totient is φ = 21811680.

The previous prime is 34731889. The next prime is 34731911. The reversal of 34731909 is 90913743.

34731909 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 34731909 - 2¹⁵ = 34699141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34731979) 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 39 ways as a sum of consecutive naturals, for example, 191799 + ... + 191979.

Almost surely, 2^34731909 is an apocalyptic number.

It is an amenable number.

34731909 is a deficient number, since it is larger than the sum of its proper divisors (20235003).

34731909 is a wasteful number, since it uses less digits than its factorization.

34731909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 34731909 is about 5893.3784029197. The cubic root of 34731909 is about 326.2693052389.

Adding to 34731909 its sum of digits (36), we get a triangular number (34731945 = T₈₃₃₄).

The spelling of 34731909 in words is "thirty-four million, seven hundred thirty-one thousand, nine hundred nine".