34720549 has 2 divisors, whose sum is σ = 34720550. Its totient is φ = 34720548.

The previous prime is 34720531. The next prime is 34720559. The reversal of 34720549 is 94502743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17556100 + 17164449 = 4190^2 + 4143^2 .

It is an emirp because it is prime and its reverse (94502743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34720549 - 2¹⁵ = 34687781 is a prime.

It is a super-2 number, since 2×34720549² = 2411033045722802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34720519) 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, 17360274 + 17360275.

It is an arithmetic number, because the mean of its divisors is an integer number (17360275).

Almost surely, 2^34720549 is an apocalyptic number.

It is an amenable number.

34720549 is a deficient number, since it is larger than the sum of its proper divisors (1).

34720549 is an equidigital number, since it uses as much as digits as its factorization.

34720549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 34720549 is about 5892.4145305639. The cubic root of 34720549 is about 326.2337296584.

The spelling of 34720549 in words is "thirty-four million, seven hundred twenty thousand, five hundred forty-nine".