34709409 has 48 divisors (see below), whose sum is σ = 61102080. Its totient is φ = 18545760.

The previous prime is 34709399. The next prime is 34709449. The reversal of 34709409 is 90490743.

It is not a de Polignac number, because 34709409 - 2⁸ = 34709153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34709449) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127944 + ... + 128214.

It is an arithmetic number, because the mean of its divisors is an integer number (1272960).

Almost surely, 2^34709409 is an apocalyptic number.

It is an amenable number.

34709409 is a deficient number, since it is larger than the sum of its proper divisors (26392671).

34709409 is a wasteful number, since it uses less digits than its factorization.

34709409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 34709409 is about 5891.4691716074. The cubic root of 34709409 is about 326.1988355049.

The spelling of 34709409 in words is "thirty-four million, seven hundred nine thousand, four hundred nine".