47206447 has 2 divisors, whose sum is σ = 47206448. Its totient is φ = 47206446.

The previous prime is 47206441. The next prime is 47206477. The reversal of 47206447 is 74460274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47206447 - 2⁷ = 47206319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47206441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23603223 + 23603224.

It is an arithmetic number, because the mean of its divisors is an integer number (23603224).

Almost surely, 2^47206447 is an apocalyptic number.

47206447 is a deficient number, since it is larger than the sum of its proper divisors (1).

47206447 is an equidigital number, since it uses as much as digits as its factorization.

47206447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 47206447 is about 6870.6947974714. The cubic root of 47206447 is about 361.4102272512.

The spelling of 47206447 in words is "forty-seven million, two hundred six thousand, four hundred forty-seven".