673724200 has 48 divisors (see below), whose sum is σ = 1571891580. Its totient is φ = 268546560.

The previous prime is 673724189. The next prime is 673724213. The reversal of 673724200 is 2427376.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 458045604 + 215678596 = 21402^2 + 14686^2 .

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, 52852 + ... + 64348.

Almost surely, 2^673724200 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 673724200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785945790).

673724200 is an abundant number, since it is smaller than the sum of its proper divisors (898167380).

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

673724200 is a wasteful number, since it uses less digits than its factorization.

673724200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11806 (or 11797 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 673724200 is about 25956.1977184641. The cubic root of 673724200 is about 876.6523118958.

The spelling of 673724200 in words is "six hundred seventy-three million, seven hundred twenty-four thousand, two hundred".