47424243 has 4 divisors (see below), whose sum is σ = 63232328. Its totient is φ = 31616160.

The previous prime is 47424233. The next prime is 47424263. The reversal of 47424243 is 34242474.

It is a happy number.

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

It is not a de Polignac number, because 47424243 - 2¹² = 47420147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47424243.

It is not an unprimeable number, because it can be changed into a prime (47424233) 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, 7904038 + ... + 7904043.

It is an arithmetic number, because the mean of its divisors is an integer number (15808082).

Almost surely, 2^47424243 is an apocalyptic number.

47424243 is a deficient number, since it is larger than the sum of its proper divisors (15808085).

47424243 is a wasteful number, since it uses less digits than its factorization.

47424243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15808084.

The product of its digits is 21504, while the sum is 30.

The square root of 47424243 is about 6886.5261925008. The cubic root of 47424243 is about 361.9651864611.

It can be divided in two parts, 4 and 7424243, that added together give a palindrome (7424247).

The spelling of 47424243 in words is "forty-seven million, four hundred twenty-four thousand, two hundred forty-three".