34729409 has 8 divisors (see below), whose sum is σ = 40801152. Its totient is φ = 29143440.

The previous prime is 34729399. The next prime is 34729439. The reversal of 34729409 is 90492743.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34729409 is a prime.

It is a super-2 number, since 2×34729409² = 2412263698978562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34729439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121289 + ... + 121574.

It is an arithmetic number, because the mean of its divisors is an integer number (5100144).

Almost surely, 2^34729409 is an apocalyptic number.

It is an amenable number.

34729409 is a deficient number, since it is larger than the sum of its proper divisors (6071743).

34729409 is a wasteful number, since it uses less digits than its factorization.

34729409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242887.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 34729409 is about 5893.1662966524. The cubic root of 34729409 is about 326.2614767717.

The spelling of 34729409 in words is "thirty-four million, seven hundred twenty-nine thousand, four hundred nine".