673710399 has 8 divisors (see below), whose sum is σ = 998089520. Its totient is φ = 449140248.

The previous prime is 673710377. The next prime is 673710403. The reversal of 673710399 is 993017376.

It is not a de Polignac number, because 673710399 - 2¹³ = 673702207 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 (673712399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12476092 + ... + 12476145.

It is an arithmetic number, because the mean of its divisors is an integer number (124761190).

Almost surely, 2^673710399 is an apocalyptic number.

673710399 is a deficient number, since it is larger than the sum of its proper divisors (324379121).

673710399 is a wasteful number, since it uses less digits than its factorization.

673710399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24952246 (or 24952240 counting only the distinct ones).

The product of its (nonzero) digits is 214326, while the sum is 45.

The square root of 673710399 is about 25955.9318653752. The cubic root of 673710399 is about 876.6463258849.

The spelling of 673710399 in words is "six hundred seventy-three million, seven hundred ten thousand, three hundred ninety-nine".