673796181 has 8 divisors (see below), whose sum is σ = 898519680. Its totient is φ = 449135072.

The previous prime is 673796171. The next prime is 673796203. The reversal of 673796181 is 181697376.

It is a happy number.

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 673796181 - 2⁹ = 673795669 is a prime.

It is a super-2 number, since 2×673796181² = 908002587060369522, which contains 22 as substring.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 673796181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673796161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23881 + ... + 43793.

It is an arithmetic number, because the mean of its divisors is an integer number (112314960).

Almost surely, 2^673796181 is an apocalyptic number.

It is an amenable number.

673796181 is a deficient number, since it is larger than the sum of its proper divisors (224723499).

673796181 is a wasteful number, since it uses less digits than its factorization.

673796181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31195.

The product of its digits is 381024, while the sum is 48.

The square root of 673796181 is about 25957.5842674159. The cubic root of 673796181 is about 876.6835314279.

The spelling of 673796181 in words is "six hundred seventy-three million, seven hundred ninety-six thousand, one hundred eighty-one".