243564072 has 16 divisors (see below), whose sum is σ = 608910240. Its totient is φ = 81188016.

The previous prime is 243564053. The next prime is 243564121. The reversal of 243564072 is 270465342.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5074228 + ... + 5074275.

It is an arithmetic number, because the mean of its divisors is an integer number (38056890).

Almost surely, 2^243564072 is an apocalyptic number.

It is an amenable number.

243564072 is an abundant number, since it is smaller than the sum of its proper divisors (365346168).

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

243564072 is a wasteful number, since it uses less digits than its factorization.

243564072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10148512 (or 10148508 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 243564072 is about 15606.5393985983. The cubic root of 243564072 is about 624.5076203081.

The spelling of 243564072 in words is "two hundred forty-three million, five hundred sixty-four thousand, seventy-two".