670769 has 12 divisors (see below), whose sum is σ = 781008. Its totient is φ = 571200.

The previous prime is 670763. The next prime is 670777. The reversal of 670769 is 967076.

It is not a de Polignac number, because 670769 - 2¹⁶ = 605233 is a prime.

It is a super-2 number, since 2×670769² = 899862102722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (670763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3074 + ... + 3284.

It is an arithmetic number, because the mean of its divisors is an integer number (65084).

2⁶⁷⁰⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

670769 is a deficient number, since it is larger than the sum of its proper divisors (110239).

670769 is a wasteful number, since it uses less digits than its factorization.

670769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 670769 is about 819.0048839903. The cubic root of 670769 is about 87.5368660978.

It can be divided in two parts, 6707 and 69, that added together give a palindrome (6776).

The spelling of 670769 in words is "six hundred seventy thousand, seven hundred sixty-nine".