1968773 has 2 divisors, whose sum is σ = 1968774. Its totient is φ = 1968772.

The previous prime is 1968767. The next prime is 1968797. The reversal of 1968773 is 3778691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1844164 + 124609 = 1358^2 + 353^2 .

It is a cyclic number.

It is not a de Polignac number, because 1968773 - 2¹⁸ = 1706629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1968773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1968173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984386 + 984387.

It is an arithmetic number, because the mean of its divisors is an integer number (984387).

2^1968773 is an apocalyptic number.

It is an amenable number.

1968773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1968773 is an equidigital number, since it uses as much as digits as its factorization.

1968773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 41.

The square root of 1968773 is about 1403.1297160277. The cubic root of 1968773 is about 125.3329364393.

The spelling of 1968773 in words is "one million, nine hundred sixty-eight thousand, seven hundred seventy-three".