673386240 has 72 divisors (see below), whose sum is σ = 2150639568. Its totient is φ = 179568640.

The previous prime is 673386227. The next prime is 673386289. The reversal of 673386240 is 42683376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83841 + ... + 91520.

It is an arithmetic number, because the mean of its divisors is an integer number (29869994).

Almost surely, 2^673386240 is an apocalyptic number.

673386240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

673386240 is an abundant number, since it is smaller than the sum of its proper divisors (1477253328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673386240 is a wasteful number, since it uses less digits than its factorization.

673386240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175385 (or 175371 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 673386240 is about 25949.6867033111. The cubic root of 673386240 is about 876.5057024627.

The spelling of 673386240 in words is "six hundred seventy-three million, three hundred eighty-six thousand, two hundred forty".