766256 has 20 divisors (see below), whose sum is σ = 1505112. Its totient is φ = 377856.

The previous prime is 766247. The next prime is 766261. The reversal of 766256 is 652667.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

766256 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040 + ... + 1616.

2⁷⁶⁶²⁵⁶ is an apocalyptic number.

It is an amenable number.

766256 is a deficient number, since it is larger than the sum of its proper divisors (738856).

766256 is a wasteful number, since it uses less digits than its factorization.

766256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 662 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 766256 is about 875.3604971667. The cubic root of 766256 is about 91.5077680606.

The spelling of 766256 in words is "seven hundred sixty-six thousand, two hundred fifty-six".