770609 has 8 divisors (see below), whose sum is σ = 886080. Its totient is φ = 656496.

The previous prime is 770597. The next prime is 770611. The reversal of 770609 is 906077.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 770609 - 2⁸ = 770353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (770639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1787 + ... + 2175.

It is an arithmetic number, because the mean of its divisors is an integer number (110760).

2⁷⁷⁰⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

770609 is a deficient number, since it is larger than the sum of its proper divisors (115471).

770609 is a wasteful number, since it uses less digits than its factorization.

770609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 770609 is about 877.8433801083. The cubic root of 770609 is about 91.6807221790.

The spelling of 770609 in words is "seven hundred seventy thousand, six hundred nine".