673336805 has 16 divisors (see below), whose sum is σ = 826447104. Its totient is φ = 526409280.

The previous prime is 673336793. The next prime is 673336817. The reversal of 673336805 is 508633376.

It is an interprime number because it is at equal distance from previous prime (673336793) and next prime (673336817).

It is not a de Polignac number, because 673336805 - 2⁴ = 673336789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 188819 + ... + 192351.

It is an arithmetic number, because the mean of its divisors is an integer number (51652944).

Almost surely, 2^673336805 is an apocalyptic number.

It is an amenable number.

673336805 is a deficient number, since it is larger than the sum of its proper divisors (153110299).

673336805 is a wasteful number, since it uses less digits than its factorization.

673336805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 673336805 is about 25948.7341695120. The cubic root of 673336805 is about 876.4842530987.

The spelling of 673336805 in words is "six hundred seventy-three million, three hundred thirty-six thousand, eight hundred five".