673688755 has 8 divisors (see below), whose sum is σ = 809087472. Its totient is φ = 538510368.

The previous prime is 673688713. The next prime is 673688759. The reversal of 673688755 is 557886376.

673688755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 673688755 - 2⁹ = 673688243 is a prime.

It is a super-2 number, since 2×673688755² = 907713077226900050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673688696 and 673688705.

It is not an unprimeable number, because it can be changed into a prime (673688759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48277 + ... + 60646.

It is an arithmetic number, because the mean of its divisors is an integer number (101135934).

Almost surely, 2^673688755 is an apocalyptic number.

673688755 is a deficient number, since it is larger than the sum of its proper divisors (135398717).

673688755 is a wasteful number, since it uses less digits than its factorization.

673688755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110165.

The product of its digits is 8467200, while the sum is 55.

The square root of 673688755 is about 25955.5149245782. The cubic root of 673688755 is about 876.6369379064.

The spelling of 673688755 in words is "six hundred seventy-three million, six hundred eighty-eight thousand, seven hundred fifty-five".