673992800 has 144 divisors (see below), whose sum is σ = 1785979440. Its totient is φ = 246896640.

The previous prime is 673992797. The next prime is 673992827. The reversal of 673992800 is 8299376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2381459 + ... + 2381741.

It is an arithmetic number, because the mean of its divisors is an integer number (12402635).

Almost surely, 2^673992800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673992800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892989720).

673992800 is an abundant number, since it is smaller than the sum of its proper divisors (1111986640).

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

673992800 is a wasteful number, since it uses less digits than its factorization.

673992800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 673992800 is about 25961.3713043052. The cubic root of 673992800 is about 876.7687975070.

The spelling of 673992800 in words is "six hundred seventy-three million, nine hundred ninety-two thousand, eight hundred".