672045223 has 8 divisors (see below), whose sum is σ = 684927360. Its totient is φ = 659212920.

The previous prime is 672045203. The next prime is 672045229. The reversal of 672045223 is 322540276.

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 672045223 - 2⁵ = 672045191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672045229) 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 7 ways as a sum of consecutive naturals, for example, 15358 + ... + 39748.

It is an arithmetic number, because the mean of its divisors is an integer number (85615920).

Almost surely, 2^672045223 is an apocalyptic number.

672045223 is a deficient number, since it is larger than the sum of its proper divisors (12882137).

672045223 is a wasteful number, since it uses less digits than its factorization.

672045223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24917.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 672045223 is about 25923.8350365065. The cubic root of 672045223 is about 875.9234758497.

Adding to 672045223 its reverse (322540276), we get a palindrome (994585499).

It can be divided in two parts, 67204 and 5223, that added together give a palindrome (72427).

The spelling of 672045223 in words is "six hundred seventy-two million, forty-five thousand, two hundred twenty-three".