34474421 has 2 divisors, whose sum is σ = 34474422. Its totient is φ = 34474420.

The previous prime is 34474403. The next prime is 34474423. The reversal of 34474421 is 12447443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26122321 + 8352100 = 5111^2 + 2890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34474421 is a prime.

Together with 34474423, 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 (34474423) 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, 17237210 + 17237211.

It is an arithmetic number, because the mean of its divisors is an integer number (17237211).

Almost surely, 2^34474421 is an apocalyptic number.

It is an amenable number.

34474421 is a deficient number, since it is larger than the sum of its proper divisors (1).

34474421 is an equidigital number, since it uses as much as digits as its factorization.

34474421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 29.

The square root of 34474421 is about 5871.4922294081. The cubic root of 34474421 is about 325.4610293260.

It can be divided in two parts, 3447442 and 1, that added together give a palindrome (3447443).

The spelling of 34474421 in words is "thirty-four million, four hundred seventy-four thousand, four hundred twenty-one".