243350720 has 56 divisors (see below), whose sum is σ = 581406000. Its totient is φ = 97016832.

The previous prime is 243350711. The next prime is 243350747. The reversal of 243350720 is 27053342.

It is a super-3 number, since 3×243350720³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243350720.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 110591 + ... + 112769.

It is an arithmetic number, because the mean of its divisors is an integer number (10382250).

Almost surely, 2^243350720 is an apocalyptic number.

243350720 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 243350720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290703000).

243350720 is an abundant number, since it is smaller than the sum of its proper divisors (338055280).

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

243350720 is a wasteful number, since it uses less digits than its factorization.

243350720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545 (or 2535 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 243350720 is about 15599.7025612670. The cubic root of 243350720 is about 624.3252194695.

The spelling of 243350720 in words is "two hundred forty-three million, three hundred fifty thousand, seven hundred twenty".