673550450 has 12 divisors (see below), whose sum is σ = 1252803930. Its totient is φ = 269420160.

The previous prime is 673550441. The next prime is 673550497. The reversal of 673550450 is 54055376.

It can be written as a sum of positive squares in 3 ways, for example, as 454243969 + 219306481 = 21313^2 + 14809^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 673550450.

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 5 ways as a sum of consecutive naturals, for example, 6735455 + ... + 6735554.

Almost surely, 2^673550450 is an apocalyptic number.

673550450 is a deficient number, since it is larger than the sum of its proper divisors (579253480).

673550450 is a wasteful number, since it uses less digits than its factorization.

673550450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13471021 (or 13471016 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 673550450 is about 25952.8505178140. The cubic root of 673550450 is about 876.5769440449.

The spelling of 673550450 in words is "six hundred seventy-three million, five hundred fifty thousand, four hundred fifty".