47709349 has 2 divisors, whose sum is σ = 47709350. Its totient is φ = 47709348.

The previous prime is 47709331. The next prime is 47709401. The reversal of 47709349 is 94390774.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32832900 + 14876449 = 5730^2 + 3857^2 .

It is a cyclic number.

It is not a de Polignac number, because 47709349 - 2¹¹ = 47707301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47709329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23854674 + 23854675.

It is an arithmetic number, because the mean of its divisors is an integer number (23854675).

Almost surely, 2^47709349 is an apocalyptic number.

It is an amenable number.

47709349 is a deficient number, since it is larger than the sum of its proper divisors (1).

47709349 is an equidigital number, since it uses as much as digits as its factorization.

47709349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 47709349 is about 6907.1954511220. The cubic root of 47709349 is about 362.6890942095.

The spelling of 47709349 in words is "forty-seven million, seven hundred nine thousand, three hundred forty-nine".