672231313 has 8 divisors (see below), whose sum is σ = 728737856. Its totient is φ = 616410000.

The previous prime is 672231299. The next prime is 672231317. The reversal of 672231313 is 313132276.

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 672231313 - 2¹³ = 672223121 is a prime.

It is a super-3 number, since 3×672231313³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672231317) 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, 169263 + ... + 173188.

It is an arithmetic number, because the mean of its divisors is an integer number (91092232).

Almost surely, 2^672231313 is an apocalyptic number.

It is an amenable number.

672231313 is a deficient number, since it is larger than the sum of its proper divisors (56506543).

672231313 is a wasteful number, since it uses less digits than its factorization.

672231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342615.

The product of its digits is 4536, while the sum is 28.

The square root of 672231313 is about 25927.4239561126. The cubic root of 672231313 is about 876.0043164199.

Adding to 672231313 its reverse (313132276), we get a palindrome (985363589).

The spelling of 672231313 in words is "six hundred seventy-two million, two hundred thirty-one thousand, three hundred thirteen".