34780769 has 2 divisors, whose sum is σ = 34780770. Its totient is φ = 34780768.

The previous prime is 34780747. The next prime is 34780783. The reversal of 34780769 is 96708743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34668544 + 112225 = 5888^2 + 335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34780769 is a prime.

It is a super-2 number, since 2×34780769² = 2419403784462722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (34780709) 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, 17390384 + 17390385.

It is an arithmetic number, because the mean of its divisors is an integer number (17390385).

Almost surely, 2^34780769 is an apocalyptic number.

It is an amenable number.

34780769 is a deficient number, since it is larger than the sum of its proper divisors (1).

34780769 is an equidigital number, since it uses as much as digits as its factorization.

34780769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 34780769 is about 5897.5222763462. The cubic root of 34780769 is about 326.4222294439.

The spelling of 34780769 in words is "thirty-four million, seven hundred eighty thousand, seven hundred sixty-nine".