67908349 has 2 divisors, whose sum is σ = 67908350. Its totient is φ = 67908348.

The previous prime is 67908289. The next prime is 67908371. The reversal of 67908349 is 94380976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53392249 + 14516100 = 7307^2 + 3810^2 .

It is a cyclic number.

It is not a de Polignac number, because 67908349 - 2⁹ = 67907837 is a prime.

It is a super-2 number, since 2×67908349² = 9223087727811602, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67908299 and 67908308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67902349) 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, 33954174 + 33954175.

It is an arithmetic number, because the mean of its divisors is an integer number (33954175).

Almost surely, 2^67908349 is an apocalyptic number.

It is an amenable number.

67908349 is a deficient number, since it is larger than the sum of its proper divisors (1).

67908349 is an equidigital number, since it uses as much as digits as its factorization.

67908349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 67908349 is about 8240.6522193331. The cubic root of 67908349 is about 407.9820513859.

The spelling of 67908349 in words is "sixty-seven million, nine hundred eight thousand, three hundred forty-nine".