67822849 has 2 divisors, whose sum is σ = 67822850. Its totient is φ = 67822848.

The previous prime is 67822847. The next prime is 67822861. The reversal of 67822849 is 94822876.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62916624 + 4906225 = 7932^2 + 2215^2 .

It is a cyclic number.

It is not a de Polignac number, because 67822849 - 2¹ = 67822847 is a prime.

Together with 67822847, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 67822799 and 67822808.

It is not a weakly prime, because it can be changed into another prime (67822841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33911424 + 33911425.

It is an arithmetic number, because the mean of its divisors is an integer number (33911425).

Almost surely, 2^67822849 is an apocalyptic number.

It is an amenable number.

67822849 is a deficient number, since it is larger than the sum of its proper divisors (1).

67822849 is an equidigital number, since it uses as much as digits as its factorization.

67822849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 46.

The square root of 67822849 is about 8235.4628892370. The cubic root of 67822849 is about 407.8107562224.

The spelling of 67822849 in words is "sixty-seven million, eight hundred twenty-two thousand, eight hundred forty-nine".