243704672 has 24 divisors (see below), whose sum is σ = 480150216. Its totient is φ = 121761792.

The previous prime is 243704627. The next prime is 243704677. The reversal of 243704672 is 276407342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243704677) 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, 68768 + ... + 72224.

It is an arithmetic number, because the mean of its divisors is an integer number (20006259).

Almost surely, 2^243704672 is an apocalyptic number.

It is an amenable number.

243704672 is a deficient number, since it is larger than the sum of its proper divisors (236445544).

243704672 is a wasteful number, since it uses less digits than its factorization.

243704672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670 (or 5662 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 243704672 is about 15611.0432707106. The cubic root of 243704672 is about 624.6277651233.

The spelling of 243704672 in words is "two hundred forty-three million, seven hundred four thousand, six hundred seventy-two".