768506 has 4 divisors (see below), whose sum is σ = 1152762. Its totient is φ = 384252.

The previous prime is 768503. The next prime is 768541. The reversal of 768506 is 605867.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 737881 + 30625 = 859^2 + 175^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (768503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192125 + ... + 192128.

2⁷⁶⁸⁵⁰⁶ is an apocalyptic number.

768506 is a deficient number, since it is larger than the sum of its proper divisors (384256).

768506 is a wasteful number, since it uses less digits than its factorization.

768506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384255.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 768506 is about 876.6447399032. The cubic root of 768506 is about 91.5972469822.

The spelling of 768506 in words is "seven hundred sixty-eight thousand, five hundred six".