1568768 has 26 divisors (see below), whose sum is σ = 3145344. Its totient is φ = 782336.

The previous prime is 1568767. The next prime is 1568771. The reversal of 1568768 is 8678651.

It is a super-2 number, since 2×1568768² = 4922066075648, which contains 22 as substring.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1568767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3905 + ... + 4287.

2^1568768 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 1568768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1572672).

1568768 is an abundant number, since it is smaller than the sum of its proper divisors (1576576).

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

1568768 is an frugal number, since it uses more digits than its factorization.

1568768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 385 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 1568768 is about 1252.5046906100. The cubic root of 1568768 is about 116.1946790390.

The spelling of 1568768 in words is "one million, five hundred sixty-eight thousand, seven hundred sixty-eight".