It is a happy number.
758640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (80).
It is a nialpdrome in base 15.
It is a congruent number.
It is an unprimeable number.
2758640 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 758640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1227600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
758640 is a wasteful number, since it uses less digits than its factorization.
758640 is an evil number, because the sum of its binary digits is even.
The square root of 758640 is about 870.9994259470. Note that the first 3 decimals coincide. The cubic root of 758640 is about 91.2035855777.
The spelling of 758640 in words is "seven hundred fifty-eight thousand, six hundred forty".