673370505 has 12 divisors (see below), whose sum is σ = 1167175620. Its totient is φ = 359130912.

The previous prime is 673370491. The next prime is 673370513. The reversal of 673370505 is 505073376.

It can be written as a sum of positive squares in 2 ways, for example, as 275128569 + 398241936 = 16587^2 + 19956^2 .

It is not a de Polignac number, because 673370505 - 2⁵ = 673370473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 673370505.

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 11 ways as a sum of consecutive naturals, for example, 7481850 + ... + 7481939.

It is an arithmetic number, because the mean of its divisors is an integer number (97264635).

Almost surely, 2^673370505 is an apocalyptic number.

It is an amenable number.

673370505 is a deficient number, since it is larger than the sum of its proper divisors (493805115).

673370505 is a wasteful number, since it uses less digits than its factorization.

673370505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14963800 (or 14963797 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 36.

The square root of 673370505 is about 25949.3835186888. The cubic root of 673370505 is about 876.4988753137.

The spelling of 673370505 in words is "six hundred seventy-three million, three hundred seventy thousand, five hundred five".