243411072 has 32 divisors (see below), whose sum is σ = 646561680. Its totient is φ = 81136896.

The previous prime is 243411053. The next prime is 243411149. The reversal of 243411072 is 270114342.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316558 + ... + 317325.

Almost surely, 2^243411072 is an apocalyptic number.

It is an amenable number.

243411072 is an abundant number, since it is smaller than the sum of its proper divisors (403150608).

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

243411072 is an equidigital number, since it uses as much as digits as its factorization.

243411072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633900 (or 633888 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 243411072 is about 15601.6368372040. The cubic root of 243411072 is about 624.3768269618.

The spelling of 243411072 in words is "two hundred forty-three million, four hundred eleven thousand, seventy-two".