672278223 has 8 divisors (see below), whose sum is σ = 897513088. Its totient is φ = 447614424.

The previous prime is 672278221. The next prime is 672278227. The reversal of 672278223 is 322872276.

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

It is not a de Polignac number, because 672278223 - 2¹ = 672278221 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 (672278221) 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, 140011 + ... + 144732.

It is an arithmetic number, because the mean of its divisors is an integer number (112189136).

Almost surely, 2^672278223 is an apocalyptic number.

672278223 is a deficient number, since it is larger than the sum of its proper divisors (225234865).

672278223 is a wasteful number, since it uses less digits than its factorization.

672278223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285533.

The product of its digits is 112896, while the sum is 39.

The square root of 672278223 is about 25928.3285809171. The cubic root of 672278223 is about 876.0246925443.

The spelling of 672278223 in words is "six hundred seventy-two million, two hundred seventy-eight thousand, two hundred twenty-three".