673395826 has 16 divisors (see below), whose sum is σ = 1050301440. Its totient is φ = 323454240.

The previous prime is 673395803. The next prime is 673395881. The reversal of 673395826 is 628593376.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 673395826.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31146 + ... + 48133.

It is an arithmetic number, because the mean of its divisors is an integer number (65643840).

Almost surely, 2^673395826 is an apocalyptic number.

673395826 is a deficient number, since it is larger than the sum of its proper divisors (376905614).

673395826 is a wasteful number, since it uses less digits than its factorization.

673395826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79449.

The product of its digits is 1632960, while the sum is 49.

The square root of 673395826 is about 25949.8714062324. The cubic root of 673395826 is about 876.5098616131.

The spelling of 673395826 in words is "six hundred seventy-three million, three hundred ninety-five thousand, eight hundred twenty-six".