768697 has 4 divisors (see below), whose sum is σ = 771316. Its totient is φ = 766080.

The previous prime is 768671. The next prime is 768727. The reversal of 768697 is 796867.

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

It can be written as a sum of positive squares in 2 ways, for example, as 331776 + 436921 = 576^2 + 661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-768697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768197) 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, 804 + ... + 1477.

It is an arithmetic number, because the mean of its divisors is an integer number (192829).

2⁷⁶⁸⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

768697 is a deficient number, since it is larger than the sum of its proper divisors (2619).

768697 is a wasteful number, since it uses less digits than its factorization.

768697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618.

The product of its digits is 127008, while the sum is 43.

The square root of 768697 is about 876.7536712213. The cubic root of 768697 is about 91.6048347022.

The spelling of 768697 in words is "seven hundred sixty-eight thousand, six hundred ninety-seven".