34027621 has 2 divisors, whose sum is σ = 34027622. Its totient is φ = 34027620.

The previous prime is 34027597. The next prime is 34027627. The reversal of 34027621 is 12672043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21986721 + 12040900 = 4689^2 + 3470^2 .

It is a cyclic number.

It is not a de Polignac number, because 34027621 - 2⁵ = 34027589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34027627) 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, 17013810 + 17013811.

It is an arithmetic number, because the mean of its divisors is an integer number (17013811).

Almost surely, 2^34027621 is an apocalyptic number.

It is an amenable number.

34027621 is a deficient number, since it is larger than the sum of its proper divisors (1).

34027621 is an equidigital number, since it uses as much as digits as its factorization.

34027621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 34027621 is about 5833.3198952226. The cubic root of 34027621 is about 324.0488831645.

Adding to 34027621 its reverse (12672043), we get a palindrome (46699664).

The spelling of 34027621 in words is "thirty-four million, twenty-seven thousand, six hundred twenty-one".