34685579 has 2 divisors, whose sum is σ = 34685580. Its totient is φ = 34685578.

The previous prime is 34685557. The next prime is 34685591. The reversal of 34685579 is 97558643.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34685579 - 2²⁰ = 33637003 is a prime.

It is not a weakly prime, because it can be changed into another prime (34685509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17342789 + 17342790.

It is an arithmetic number, because the mean of its divisors is an integer number (17342790).

Almost surely, 2^34685579 is an apocalyptic number.

34685579 is a deficient number, since it is larger than the sum of its proper divisors (1).

34685579 is an equidigital number, since it uses as much as digits as its factorization.

34685579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 47.

The square root of 34685579 is about 5889.4464086194. The cubic root of 34685579 is about 326.1241670111.

The spelling of 34685579 in words is "thirty-four million, six hundred eighty-five thousand, five hundred seventy-nine".