673899717 has 16 divisors (see below), whose sum is σ = 916479360. Its totient is φ = 440311872.

The previous prime is 673899689. The next prime is 673899749. The reversal of 673899717 is 717998376.

It is not a de Polignac number, because 673899717 - 2⁸ = 673899461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673899217) 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, 201384 + ... + 204702.

It is an arithmetic number, because the mean of its divisors is an integer number (57279960).

Almost surely, 2^673899717 is an apocalyptic number.

It is an amenable number.

673899717 is a deficient number, since it is larger than the sum of its proper divisors (242579643).

673899717 is a wasteful number, since it uses less digits than its factorization.

673899717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4652.

The product of its digits is 4000752, while the sum is 57.

The square root of 673899717 is about 25959.5785212318. The cubic root of 673899717 is about 876.7284330663.

The spelling of 673899717 in words is "six hundred seventy-three million, eight hundred ninety-nine thousand, seven hundred seventeen".