243672013 has 8 divisors (see below), whose sum is σ = 268519328. Its totient is φ = 219696624.

The previous prime is 243672001. The next prime is 243672031. The reversal of 243672013 is 310276342.

243672013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243672013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243672073) 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, 217395 + ... + 218512.

It is an arithmetic number, because the mean of its divisors is an integer number (33564916).

Almost surely, 2^243672013 is an apocalyptic number.

It is an amenable number.

243672013 is a deficient number, since it is larger than the sum of its proper divisors (24847315).

243672013 is a wasteful number, since it uses less digits than its factorization.

243672013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435963.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 243672013 is about 15609.9972133245. The cubic root of 243672013 is about 624.5998616375.

The spelling of 243672013 in words is "two hundred forty-three million, six hundred seventy-two thousand, thirteen".