243300720 has 160 divisors (see below), whose sum is σ = 840571200. Its totient is φ = 57802752.

The previous prime is 243300709. The next prime is 243300727. The reversal of 243300720 is 27003342.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243300727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89136 + ... + 91824.

It is an arithmetic number, because the mean of its divisors is an integer number (5253570).

Almost surely, 2^243300720 is an apocalyptic number.

243300720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243300720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420285600).

243300720 is an abundant number, since it is smaller than the sum of its proper divisors (597270480).

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

243300720 is a wasteful number, since it uses less digits than its factorization.

243300720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747 (or 2741 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 243300720 is about 15598.0998842808. The cubic root of 243300720 is about 624.2824575946.

The spelling of 243300720 in words is "two hundred forty-three million, three hundred thousand, seven hundred twenty".