47927449 has 2 divisors, whose sum is σ = 47927450. Its totient is φ = 47927448.

The previous prime is 47927447. The next prime is 47927491. The reversal of 47927449 is 94472974.

47927449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47817225 + 110224 = 6915^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 47927449 - 2¹ = 47927447 is a prime.

Together with 47927447, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 47927399 and 47927408.

It is not a weakly prime, because it can be changed into another prime (47927441) 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 as a sum of consecutive naturals, namely, 23963724 + 23963725.

It is an arithmetic number, because the mean of its divisors is an integer number (23963725).

Almost surely, 2^47927449 is an apocalyptic number.

It is an amenable number.

47927449 is a deficient number, since it is larger than the sum of its proper divisors (1).

47927449 is an equidigital number, since it uses as much as digits as its factorization.

47927449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 47927449 is about 6922.9653328613. The cubic root of 47927449 is about 363.2409235756.

The spelling of 47927449 in words is "forty-seven million, nine hundred twenty-seven thousand, four hundred forty-nine".