672617223 has 64 divisors (see below), whose sum is σ = 1101703680. Its totient is φ = 403812864.

The previous prime is 672617219. The next prime is 672617237. The reversal of 672617223 is 322716276.

It is a happy number.

It is not a de Polignac number, because 672617223 - 2² = 672617219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672617243) 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 63 ways as a sum of consecutive naturals, for example, 1045740 + ... + 1046382.

It is an arithmetic number, because the mean of its divisors is an integer number (17214120).

Almost surely, 2^672617223 is an apocalyptic number.

672617223 is a deficient number, since it is larger than the sum of its proper divisors (429086457).

672617223 is a wasteful number, since it uses less digits than its factorization.

672617223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 759 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 672617223 is about 25934.8650083242. The cubic root of 672617223 is about 876.1719145614.

The spelling of 672617223 in words is "six hundred seventy-two million, six hundred seventeen thousand, two hundred twenty-three".