673407305 has 32 divisors (see below), whose sum is σ = 853991424. Its totient is φ = 509213376.

The previous prime is 673407283. The next prime is 673407353. The reversal of 673407305 is 503704376.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 673407305 - 2¹⁰ = 673406281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1040492 + ... + 1041138.

It is an arithmetic number, because the mean of its divisors is an integer number (26687232).

Almost surely, 2^673407305 is an apocalyptic number.

It is an amenable number.

673407305 is a deficient number, since it is larger than the sum of its proper divisors (180584119).

673407305 is a wasteful number, since it uses less digits than its factorization.

673407305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 673407305 is about 25950.0925817231. The cubic root of 673407305 is about 876.5148420417.

The spelling of 673407305 in words is "six hundred seventy-three million, four hundred seven thousand, three hundred five".