1677673 has 2 divisors, whose sum is σ = 1677674. Its totient is φ = 1677672.

The previous prime is 1677667. The next prime is 1677703. The reversal of 1677673 is 3767761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1087849 + 589824 = 1043^2 + 768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1677673 is a prime.

1677673 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1677773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838836 + 838837.

It is an arithmetic number, because the mean of its divisors is an integer number (838837).

2^1677673 is an apocalyptic number.

It is an amenable number.

1677673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1677673 is an equidigital number, since it uses as much as digits as its factorization.

1677673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37044, while the sum is 37.

The square root of 1677673 is about 1295.2501688863. The cubic root of 1677673 is about 118.8235267640.

The spelling of 1677673 in words is "one million, six hundred seventy-seven thousand, six hundred seventy-three".