67954349 has 2 divisors, whose sum is σ = 67954350. Its totient is φ = 67954348.

The previous prime is 67954331. The next prime is 67954363. The reversal of 67954349 is 94345976.

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., 56100100 + 11854249 = 7490^2 + 3443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67954349 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67954399) 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, 33977174 + 33977175.

It is an arithmetic number, because the mean of its divisors is an integer number (33977175).

Almost surely, 2^67954349 is an apocalyptic number.

It is an amenable number.

67954349 is a deficient number, since it is larger than the sum of its proper divisors (1).

67954349 is an equidigital number, since it uses as much as digits as its factorization.

67954349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 47.

The square root of 67954349 is about 8243.4427880589. The cubic root of 67954349 is about 408.0741507065.

The spelling of 67954349 in words is "sixty-seven million, nine hundred fifty-four thousand, three hundred forty-nine".