770923 has 4 divisors (see below), whose sum is σ = 789768. Its totient is φ = 752080.

The previous prime is 770909. The next prime is 770927. The reversal of 770923 is 329077.

It is a happy number.

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 770923 - 2¹⁷ = 639851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 770891 and 770900.

It is not an unprimeable number, because it can be changed into a prime (770927) 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, 9361 + ... + 9442.

It is an arithmetic number, because the mean of its divisors is an integer number (197442).

2⁷⁷⁰⁹²³ is an apocalyptic number.

770923 is a deficient number, since it is larger than the sum of its proper divisors (18845).

770923 is a wasteful number, since it uses less digits than its factorization.

770923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18844.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 770923 is about 878.0222092863. The cubic root of 770923 is about 91.6931728674.

The spelling of 770923 in words is "seven hundred seventy thousand, nine hundred twenty-three".