34220743 has 2 divisors, whose sum is σ = 34220744. Its totient is φ = 34220742.

The previous prime is 34220741. The next prime is 34220749. The reversal of 34220743 is 34702243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34220743 - 2¹ = 34220741 is a prime.

Together with 34220741, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34220741) 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, 17110371 + 17110372.

It is an arithmetic number, because the mean of its divisors is an integer number (17110372).

Almost surely, 2^34220743 is an apocalyptic number.

34220743 is a deficient number, since it is larger than the sum of its proper divisors (1).

34220743 is an equidigital number, since it uses as much as digits as its factorization.

34220743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 34220743 is about 5849.8498271323. The cubic root of 34220743 is about 324.6607679293.

Adding to 34220743 its reverse (34702243), we get a palindrome (68922986).

The spelling of 34220743 in words is "thirty-four million, two hundred twenty thousand, seven hundred forty-three".