672722643353 has 8 divisors (see below), whose sum is σ = 673554800160. Its totient is φ = 671890602240.

The previous prime is 672722643337. The next prime is 672722643379. The reversal of 672722643353 is 353346227276.

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 672722643353 - 2⁴ = 672722643337 is a prime.

It is a super-3 number, since 3×672722643353³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (672722643253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19852601 + ... + 19886457.

It is an arithmetic number, because the mean of its divisors is an integer number (84194350020).

Almost surely, 2^672722643353 is an apocalyptic number.

It is an amenable number.

672722643353 is a deficient number, since it is larger than the sum of its proper divisors (832156807).

672722643353 is a wasteful number, since it uses less digits than its factorization.

672722643353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57847.

The product of its digits is 7620480, while the sum is 50.

The spelling of 672722643353 in words is "six hundred seventy-two billion, seven hundred twenty-two million, six hundred forty-three thousand, three hundred fifty-three".