34134947 has 24 divisors (see below), whose sum is σ = 43309056. Its totient is φ = 26334000.

The previous prime is 34134923. The next prime is 34134949. The reversal of 34134947 is 74943143.

It is not a de Polignac number, because 34134947 - 2¹⁰ = 34133923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34134949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161672 + ... + 161882.

It is an arithmetic number, because the mean of its divisors is an integer number (1804544).

Almost surely, 2^34134947 is an apocalyptic number.

34134947 is a deficient number, since it is larger than the sum of its proper divisors (9174109).

34134947 is a wasteful number, since it uses less digits than its factorization.

34134947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 420 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 34134947 is about 5842.5120453449. The cubic root of 34134947 is about 324.3892181451.

The spelling of 34134947 in words is "thirty-four million, one hundred thirty-four thousand, nine hundred forty-seven".