768667 has 4 divisors (see below), whose sum is σ = 772200. Its totient is φ = 765136.

The previous prime is 768653. The next prime is 768671. The reversal of 768667 is 766867.

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

It is a cyclic number.

It is not a de Polignac number, because 768667 - 2¹⁹ = 244379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417 + ... + 1882.

It is an arithmetic number, because the mean of its divisors is an integer number (193050).

2⁷⁶⁸⁶⁶⁷ is an apocalyptic number.

768667 is a deficient number, since it is larger than the sum of its proper divisors (3533).

768667 is a wasteful number, since it uses less digits than its factorization.

768667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3532.

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

The square root of 768667 is about 876.7365624861. The cubic root of 768667 is about 91.6036429969.

The spelling of 768667 in words is "seven hundred sixty-eight thousand, six hundred sixty-seven".