34420679 has 2 divisors, whose sum is σ = 34420680. Its totient is φ = 34420678.

The previous prime is 34420669. The next prime is 34420697. The reversal of 34420679 is 97602443.

Together with next prime (34420697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (97602443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34420679 - 2⁴ = 34420663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34420649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17210339 + 17210340.

It is an arithmetic number, because the mean of its divisors is an integer number (17210340).

Almost surely, 2^34420679 is an apocalyptic number.

34420679 is a deficient number, since it is larger than the sum of its proper divisors (1).

34420679 is an equidigital number, since it uses as much as digits as its factorization.

34420679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 34420679 is about 5866.9139247137. The cubic root of 34420679 is about 325.2918215206.

The spelling of 34420679 in words is "thirty-four million, four hundred twenty thousand, six hundred seventy-nine".