47449519 has 8 divisors (see below), whose sum is σ = 51171120. Its totient is φ = 43738176.

The previous prime is 47449477. The next prime is 47449531. The reversal of 47449519 is 91594474.

47449519 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 not a de Polignac number, because 47449519 - 2¹³ = 47441327 is a prime.

It is a super-2 number, since 2×47449519² = 4502913706662722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47449559) 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, 9012 + ... + 13270.

It is an arithmetic number, because the mean of its divisors is an integer number (6396390).

Almost surely, 2^47449519 is an apocalyptic number.

47449519 is a deficient number, since it is larger than the sum of its proper divisors (3721601).

47449519 is a wasteful number, since it uses less digits than its factorization.

47449519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5129.

The product of its digits is 181440, while the sum is 43.

The square root of 47449519 is about 6888.3611258412. The cubic root of 47449519 is about 362.0294813347.

The spelling of 47449519 in words is "forty-seven million, four hundred forty-nine thousand, five hundred nineteen".