34579789 has 2 divisors, whose sum is σ = 34579790. Its totient is φ = 34579788.

The previous prime is 34579781. The next prime is 34579799. The reversal of 34579789 is 98797543.

34579789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32114889 + 2464900 = 5667^2 + 1570^2 .

It is a cyclic number.

It is not a de Polignac number, because 34579789 - 2³ = 34579781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34579781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17289894 + 17289895.

It is an arithmetic number, because the mean of its divisors is an integer number (17289895).

Almost surely, 2^34579789 is an apocalyptic number.

It is an amenable number.

34579789 is a deficient number, since it is larger than the sum of its proper divisors (1).

34579789 is an equidigital number, since it uses as much as digits as its factorization.

34579789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 52.

The square root of 34579789 is about 5880.4582304443. The cubic root of 34579789 is about 325.7922729740.

The spelling of 34579789 in words is "thirty-four million, five hundred seventy-nine thousand, seven hundred eighty-nine".