243267072 has 80 divisors (see below), whose sum is σ = 654474480. Its totient is φ = 80289792.

The previous prime is 243267071. The next prime is 243267091. The reversal of 243267072 is 270762342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243267071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166698 + ... + 168150.

It is an arithmetic number, because the mean of its divisors is an integer number (8180931).

Almost surely, 2^243267072 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 243267072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327237240).

243267072 is an abundant number, since it is smaller than the sum of its proper divisors (411207408).

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

243267072 is a wasteful number, since it uses less digits than its factorization.

243267072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583 (or 1567 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 243267072 is about 15597.0212540728. The cubic root of 243267072 is about 624.2536772652.

The spelling of 243267072 in words is "two hundred forty-three million, two hundred sixty-seven thousand, seventy-two".