243072768 has 36 divisors (see below), whose sum is σ = 646930088. Its totient is φ = 81024000.

The previous prime is 243072691. The next prime is 243072769. The reversal of 243072768 is 867270342.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243072769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157483 + ... + 159018.

Almost surely, 2^243072768 is an apocalyptic number.

It is an amenable number.

243072768 is an abundant number, since it is smaller than the sum of its proper divisors (403857320).

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

243072768 is an equidigital number, since it uses as much as digits as its factorization.

243072768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316520 (or 316506 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 243072768 is about 15590.7911280987. The cubic root of 243072768 is about 624.0874302214.

The spelling of 243072768 in words is "two hundred forty-three million, seventy-two thousand, seven hundred sixty-eight".