1678067 has 2 divisors, whose sum is σ = 1678068. Its totient is φ = 1678066.

The previous prime is 1678037. The next prime is 1678069. The reversal of 1678067 is 7608761.

It is a strong prime.

It is an emirp because it is prime and its reverse (7608761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1678067 - 2⁸ = 1677811 is a prime.

Together with 1678069, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 6.

It is not a weakly prime, because it can be changed into another prime (1678069) 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, 839033 + 839034.

It is an arithmetic number, because the mean of its divisors is an integer number (839034).

2^1678067 is an apocalyptic number.

1678067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1678067 is an equidigital number, since it uses as much as digits as its factorization.

1678067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 1678067 is about 1295.4022541280. The cubic root of 1678067 is about 118.8328279022.

The spelling of 1678067 in words is "one million, six hundred seventy-eight thousand, sixty-seven".