674816806 has 8 divisors (see below), whose sum is σ = 1065500280. Its totient is φ = 319650048.

The previous prime is 674816801. The next prime is 674816839. The reversal of 674816806 is 608618476.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674816801) 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 3 ways as a sum of consecutive naturals, for example, 8879131 + ... + 8879206.

It is an arithmetic number, because the mean of its divisors is an integer number (133187535).

Almost surely, 2^674816806 is an apocalyptic number.

674816806 is a deficient number, since it is larger than the sum of its proper divisors (390683474).

674816806 is a wasteful number, since it uses less digits than its factorization.

674816806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17758358.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 674816806 is about 25977.2363041183. The cubic root of 674816806 is about 877.1259568754.

The spelling of 674816806 in words is "six hundred seventy-four million, eight hundred sixteen thousand, eight hundred six".