34004447 has 2 divisors, whose sum is σ = 34004448. Its totient is φ = 34004446.

The previous prime is 34004413. The next prime is 34004449. The reversal of 34004447 is 74440043.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34004447 is a prime.

Together with 34004449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34004449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17002223 + 17002224.

It is an arithmetic number, because the mean of its divisors is an integer number (17002224).

Almost surely, 2^34004447 is an apocalyptic number.

34004447 is a deficient number, since it is larger than the sum of its proper divisors (1).

34004447 is an equidigital number, since it uses as much as digits as its factorization.

34004447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 34004447 is about 5831.3332094813. Note that the first 3 decimals coincide. The cubic root of 34004447 is about 323.9753035842.

The spelling of 34004447 in words is "thirty-four million, four thousand, four hundred forty-seven".