766768 has 20 divisors (see below), whose sum is σ = 1573560. Its totient is φ = 360704.

The previous prime is 766763. The next prime is 766769. The reversal of 766768 is 867667.

766768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

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 766768.

It is not an unprimeable number, because it can be changed into a prime (766763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138 + ... + 1681.

It is an arithmetic number, because the mean of its divisors is an integer number (78678).

2⁷⁶⁶⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

766768 is an abundant number, since it is smaller than the sum of its proper divisors (806792).

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

766768 is a wasteful number, since it uses less digits than its factorization.

766768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844 (or 2838 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 766768 is about 875.6528992700. The cubic root of 766768 is about 91.5281448650.

The spelling of 766768 in words is "seven hundred sixty-six thousand, seven hundred sixty-eight".