47770249 has 2 divisors, whose sum is σ = 47770250. Its totient is φ = 47770248.

The previous prime is 47770243. The next prime is 47770271. The reversal of 47770249 is 94207774.

47770249 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., 47059600 + 710649 = 6860^2 + 843^2 .

It is a cyclic number.

It is not a de Polignac number, because 47770249 - 2¹⁷ = 47639177 is a prime.

It is not a weakly prime, because it can be changed into another prime (47770243) 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, 23885124 + 23885125.

It is an arithmetic number, because the mean of its divisors is an integer number (23885125).

Almost surely, 2^47770249 is an apocalyptic number.

It is an amenable number.

47770249 is a deficient number, since it is larger than the sum of its proper divisors (1).

47770249 is an equidigital number, since it uses as much as digits as its factorization.

47770249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 47770249 is about 6911.6024914632. The cubic root of 47770249 is about 362.8433503093.

The spelling of 47770249 in words is "forty-seven million, seven hundred seventy thousand, two hundred forty-nine".