47656573 has 2 divisors, whose sum is σ = 47656574. Its totient is φ = 47656572.

The previous prime is 47656571. The next prime is 47656589. The reversal of 47656573 is 37565674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38402809 + 9253764 = 6197^2 + 3042^2 .

It is a cyclic number.

It is not a de Polignac number, because 47656573 - 2¹ = 47656571 is a prime.

It is a super-2 number, since 2×47656573² = 4542297900208658, which contains 22 as substring.

Together with 47656571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47656571) 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, 23828286 + 23828287.

It is an arithmetic number, because the mean of its divisors is an integer number (23828287).

Almost surely, 2^47656573 is an apocalyptic number.

It is an amenable number.

47656573 is a deficient number, since it is larger than the sum of its proper divisors (1).

47656573 is an equidigital number, since it uses as much as digits as its factorization.

47656573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 43.

The square root of 47656573 is about 6903.3740301392. The cubic root of 47656573 is about 362.5553095154. Note that the first 3 decimals are identical.

The spelling of 47656573 in words is "forty-seven million, six hundred fifty-six thousand, five hundred seventy-three".