47738243 has 4 divisors (see below), whose sum is σ = 54558000. Its totient is φ = 40918488.

The previous prime is 47738239. The next prime is 47738287. The reversal of 47738243 is 34283774.

47738243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47738243 - 2² = 47738239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47738197 and 47738206.

It is not an unprimeable number, because it can be changed into a prime (47738293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3409868 + ... + 3409881.

It is an arithmetic number, because the mean of its divisors is an integer number (13639500).

Almost surely, 2^47738243 is an apocalyptic number.

47738243 is a deficient number, since it is larger than the sum of its proper divisors (6819757).

47738243 is an equidigital number, since it uses as much as digits as its factorization.

47738243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819756.

The product of its digits is 112896, while the sum is 38.

The square root of 47738243 is about 6909.2867215075. The cubic root of 47738243 is about 362.7622973592.

The spelling of 47738243 in words is "forty-seven million, seven hundred thirty-eight thousand, two hundred forty-three".