47752239 has 8 divisors (see below), whose sum is σ = 63990400. Its totient is φ = 31674456.

The previous prime is 47752223. The next prime is 47752247. The reversal of 47752239 is 93225774.

47752239 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 not a de Polignac number, because 47752239 - 2⁴ = 47752223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47752197 and 47752206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47752279) 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 7 ways as a sum of consecutive naturals, for example, 39397 + ... + 40590.

It is an arithmetic number, because the mean of its divisors is an integer number (7998800).

Almost surely, 2^47752239 is an apocalyptic number.

47752239 is a deficient number, since it is larger than the sum of its proper divisors (16238161).

47752239 is a wasteful number, since it uses less digits than its factorization.

47752239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80189.

The product of its digits is 105840, while the sum is 39.

The square root of 47752239 is about 6910.2994869977. The cubic root of 47752239 is about 362.7977457034.

The spelling of 47752239 in words is "forty-seven million, seven hundred fifty-two thousand, two hundred thirty-nine".