243004672 has 36 divisors (see below), whose sum is σ = 487861920. Its totient is φ = 120800768.

The previous prime is 243004669. The next prime is 243004673. The reversal of 243004672 is 276400342.

It is a super-2 number, since 2×243004672² = 118102541227655168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243004672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243004673) 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, 43173 + ... + 48475.

It is an arithmetic number, because the mean of its divisors is an integer number (13551720).

Almost surely, 2^243004672 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 243004672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243930960).

243004672 is an abundant number, since it is smaller than the sum of its proper divisors (244857248).

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

243004672 is an equidigital number, since it uses as much as digits as its factorization.

243004672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5498 (or 5484 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 243004672 is about 15588.6071218695. The cubic root of 243004672 is about 624.0291461293.

The spelling of 243004672 in words is "two hundred forty-three million, four thousand, six hundred seventy-two".