47748049 has 2 divisors, whose sum is σ = 47748050. Its totient is φ = 47748048.

The previous prime is 47748011. The next prime is 47748061. The reversal of 47748049 is 94084774.

It is a happy number.

47748049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38837824 + 8910225 = 6232^2 + 2985^2 .

It is a cyclic number.

It is not a de Polignac number, because 47748049 - 2⁹ = 47747537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47747996 and 47748014.

It is not a weakly prime, because it can be changed into another prime (47748089) 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, 23874024 + 23874025.

It is an arithmetic number, because the mean of its divisors is an integer number (23874025).

Almost surely, 2^47748049 is an apocalyptic number.

It is an amenable number.

47748049 is a deficient number, since it is larger than the sum of its proper divisors (1).

47748049 is an equidigital number, since it uses as much as digits as its factorization.

47748049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 47748049 is about 6909.9963096951. The cubic root of 47748049 is about 362.7871342148.

The spelling of 47748049 in words is "forty-seven million, seven hundred forty-eight thousand, forty-nine".