It is a tau number, because it is divible by the number of its divisors (70).
It is a nialpdrome in base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 768320.
It is a congruent number.
768320 is a Friedman number, since it can be written as 20*(8+6)^(7-3), using all its digits and the basic arithmetic operations.
2768320 is an apocalyptic number.
768320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 768320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1067181).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
768320 is an frugal number, since it uses more digits than its factorization.
768320 is an odious number, because the sum of its binary digits is odd.
The square root of 768320 is about 876.5386471799. The cubic root of 768320 is about 91.5898566853.
The spelling of 768320 in words is "seven hundred sixty-eight thousand, three hundred twenty".