34478129 has 8 divisors (see below), whose sum is σ = 40762560. Its totient is φ = 28533456.

The previous prime is 34478111. The next prime is 34478137. The reversal of 34478129 is 92187443.

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

It is not a de Polignac number, because 34478129 - 2²⁰ = 33429553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34478092 and 34478101.

It is not an unprimeable number, because it can be changed into a prime (34478029) 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, 84719 + ... + 85124.

It is an arithmetic number, because the mean of its divisors is an integer number (5095320).

Almost surely, 2^34478129 is an apocalyptic number.

It is an amenable number.

34478129 is a deficient number, since it is larger than the sum of its proper divisors (6284431).

34478129 is a wasteful number, since it uses less digits than its factorization.

34478129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169879.

The product of its digits is 48384, while the sum is 38.

The square root of 34478129 is about 5871.8079839177. The cubic root of 34478129 is about 325.4726975542.

The spelling of 34478129 in words is "thirty-four million, four hundred seventy-eight thousand, one hundred twenty-nine".