243434672 has 40 divisors (see below), whose sum is σ = 510217344. Its totient is φ = 111849984.

The previous prime is 243434663. The next prime is 243434677. The reversal of 243434672 is 276434342.

It is not an unprimeable number, because it can be changed into a prime (243434677) 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, 45953 + ... + 50975.

Almost surely, 2^243434672 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 243434672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255108672).

243434672 is an abundant number, since it is smaller than the sum of its proper divisors (266782672).

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

243434672 is a wasteful number, since it uses less digits than its factorization.

243434672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277 (or 5271 counting only the distinct ones).

The product of its digits is 96768, while the sum is 35.

The square root of 243434672 is about 15602.3931497703. The cubic root of 243434672 is about 624.3970051961.

The spelling of 243434672 in words is "two hundred forty-three million, four hundred thirty-four thousand, six hundred seventy-two".