34345447 has 2 divisors, whose sum is σ = 34345448. Its totient is φ = 34345446.

The previous prime is 34345411. The next prime is 34345459. The reversal of 34345447 is 74454343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34345447 - 2⁷ = 34345319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34345547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17172723 + 17172724.

It is an arithmetic number, because the mean of its divisors is an integer number (17172724).

Almost surely, 2^34345447 is an apocalyptic number.

34345447 is a deficient number, since it is larger than the sum of its proper divisors (1).

34345447 is an equidigital number, since it uses as much as digits as its factorization.

34345447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 34.

The square root of 34345447 is about 5860.4988695503. The cubic root of 34345447 is about 325.0546558967.

The spelling of 34345447 in words is "thirty-four million, three hundred forty-five thousand, four hundred forty-seven".