67960609 has 2 divisors, whose sum is σ = 67960610. Its totient is φ = 67960608.

The previous prime is 67960547. The next prime is 67960639. The reversal of 67960609 is 90606976.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53875600 + 14085009 = 7340^2 + 3753^2 .

It is a cyclic number.

It is not a de Polignac number, because 67960609 - 2⁷ = 67960481 is a prime.

It is not a weakly prime, because it can be changed into another prime (67960639) 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, 33980304 + 33980305.

It is an arithmetic number, because the mean of its divisors is an integer number (33980305).

Almost surely, 2^67960609 is an apocalyptic number.

It is an amenable number.

67960609 is a deficient number, since it is larger than the sum of its proper divisors (1).

67960609 is an equidigital number, since it uses as much as digits as its factorization.

67960609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 67960609 is about 8243.8224750415. The cubic root of 67960609 is about 408.0866810095.

The spelling of 67960609 in words is "sixty-seven million, nine hundred sixty thousand, six hundred nine".