766697 has 4 divisors (see below), whose sum is σ = 771456. Its totient is φ = 761940.

The previous prime is 766687. The next prime is 766721. The reversal of 766697 is 796667.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 796667 = 293 ⋅2719.

It is a cyclic number.

It is not a de Polignac number, because 766697 - 2¹⁰ = 765673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766637) 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, 2129 + ... + 2462.

It is an arithmetic number, because the mean of its divisors is an integer number (192864).

2⁷⁶⁶⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

766697 is a deficient number, since it is larger than the sum of its proper divisors (4759).

766697 is a wasteful number, since it uses less digits than its factorization.

766697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758.

The product of its digits is 95256, while the sum is 41.

The square root of 766697 is about 875.6123571536. The cubic root of 766697 is about 91.5253197171.

The spelling of 766697 in words is "seven hundred sixty-six thousand, six hundred ninety-seven".