673656133 has 16 divisors (see below), whose sum is σ = 706478080. Its totient is φ = 641617200.

The previous prime is 673656121. The next prime is 673656169. The reversal of 673656133 is 331656376.

It is a cyclic number.

It is not a de Polignac number, because 673656133 - 2⁵ = 673656101 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 (673686133) 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 15 ways as a sum of consecutive naturals, for example, 546628 + ... + 547858.

It is an arithmetic number, because the mean of its divisors is an integer number (44154880).

Almost surely, 2^673656133 is an apocalyptic number.

It is an amenable number.

673656133 is a deficient number, since it is larger than the sum of its proper divisors (32821947).

673656133 is a wasteful number, since it uses less digits than its factorization.

673656133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528.

The product of its digits is 204120, while the sum is 40.

The square root of 673656133 is about 25954.8864956100. The cubic root of 673656133 is about 876.6227878944.

The spelling of 673656133 in words is "six hundred seventy-three million, six hundred fifty-six thousand, one hundred thirty-three".