673799 has 6 divisors (see below), whose sum is σ = 783864. Its totient is φ = 577500.

The previous prime is 673793. The next prime is 673801. The reversal of 673799 is 997376.

It is a de Polignac number, because none of the positive numbers 2^k-673799 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 (673793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6827 + ... + 6924.

It is an arithmetic number, because the mean of its divisors is an integer number (130644).

2⁶⁷³⁷⁹⁹ is an apocalyptic number.

673799 is a deficient number, since it is larger than the sum of its proper divisors (110065).

673799 is a wasteful number, since it uses less digits than its factorization.

673799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13765 (or 13758 counting only the distinct ones).

The product of its digits is 71442, while the sum is 41.

The square root of 673799 is about 820.8526055267. The cubic root of 673799 is about 87.6684754037.

The spelling of 673799 in words is "six hundred seventy-three thousand, seven hundred ninety-nine".