47204449 has 2 divisors, whose sum is σ = 47204450. Its totient is φ = 47204448.

The previous prime is 47204447. The next prime is 47204477. The reversal of 47204449 is 94440274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44422225 + 2782224 = 6665^2 + 1668^2 .

It is a cyclic number.

It is not a de Polignac number, because 47204449 - 2¹ = 47204447 is a prime.

Together with 47204447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47204447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23602224 + 23602225.

It is an arithmetic number, because the mean of its divisors is an integer number (23602225).

Almost surely, 2^47204449 is an apocalyptic number.

It is an amenable number.

47204449 is a deficient number, since it is larger than the sum of its proper divisors (1).

47204449 is an equidigital number, since it uses as much as digits as its factorization.

47204449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 47204449 is about 6870.5493957907. The cubic root of 47204449 is about 361.4051283161.

The spelling of 47204449 in words is "forty-seven million, two hundred four thousand, four hundred forty-nine".