764223 has 4 divisors (see below), whose sum is σ = 1018968. Its totient is φ = 509480.

The previous prime is 764209. The next prime is 764233. The reversal of 764223 is 322467.

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 764223 - 2⁸ = 763967 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 764193 and 764202.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 764223.

It is not an unprimeable number, because it can be changed into a prime (764233) 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, 127368 + ... + 127373.

It is an arithmetic number, because the mean of its divisors is an integer number (254742).

2⁷⁶⁴²²³ is an apocalyptic number.

764223 is a deficient number, since it is larger than the sum of its proper divisors (254745).

764223 is a wasteful number, since it uses less digits than its factorization.

764223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254744.

The product of its digits is 2016, while the sum is 24.

The square root of 764223 is about 874.1984900467. The cubic root of 764223 is about 91.4267681238.

The spelling of 764223 in words is "seven hundred sixty-four thousand, two hundred twenty-three".