1768768 has 28 divisors (see below), whose sum is σ = 3634740. Its totient is φ = 852992.

The previous prime is 1768759. The next prime is 1768771. The reversal of 1768768 is 8678671.

It can be written as a sum of positive squares in 2 ways, for example, as 831744 + 937024 = 912^2 + 968^2 .

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1380 + ... + 2332.

2^1768768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1768768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1817370).

1768768 is an abundant number, since it is smaller than the sum of its proper divisors (1865972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1768768 is an equidigital number, since it uses as much as digits as its factorization.

1768768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 984 counting only the distinct ones).

The product of its digits is 112896, while the sum is 43.

The square root of 1768768 is about 1329.9503750140. The cubic root of 1768768 is about 120.9363780006.

Subtracting 1768768 from its reverse (8678671), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 1768768 in words is "one million, seven hundred sixty-eight thousand, seven hundred sixty-eight".