34770013 has 2 divisors, whose sum is σ = 34770014. Its totient is φ = 34770012.

The previous prime is 34770007. The next prime is 34770023. The reversal of 34770013 is 31007743.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22534009 + 12236004 = 4747^2 + 3498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34770013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34770013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34770023) 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, 17385006 + 17385007.

It is an arithmetic number, because the mean of its divisors is an integer number (17385007).

Almost surely, 2^34770013 is an apocalyptic number.

It is an amenable number.

34770013 is a deficient number, since it is larger than the sum of its proper divisors (1).

34770013 is an equidigital number, since it uses as much as digits as its factorization.

34770013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 34770013 is about 5896.6102974506. The cubic root of 34770013 is about 326.3885771355.

Adding to 34770013 its reverse (31007743), we get a palindrome (65777756).

The spelling of 34770013 in words is "thirty-four million, seven hundred seventy thousand, thirteen".