673384507 has 4 divisors (see below), whose sum is σ = 675815776. Its totient is φ = 670953240.

The previous prime is 673384471. The next prime is 673384531. The reversal of 673384507 is 705483376.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 673384507 - 2¹¹ = 673382459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673384577) 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 3 ways as a sum of consecutive naturals, for example, 1215219 + ... + 1215772.

It is an arithmetic number, because the mean of its divisors is an integer number (168953944).

Almost surely, 2^673384507 is an apocalyptic number.

673384507 is a deficient number, since it is larger than the sum of its proper divisors (2431269).

673384507 is a wasteful number, since it uses less digits than its factorization.

673384507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431268.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 673384507 is about 25949.6533117497. The cubic root of 673384507 is about 876.5049505487.

The spelling of 673384507 in words is "six hundred seventy-three million, three hundred eighty-four thousand, five hundred seven".