47954717 has 2 divisors, whose sum is σ = 47954718. Its totient is φ = 47954716.

The previous prime is 47954681. The next prime is 47954741. The reversal of 47954717 is 71745974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47803396 + 151321 = 6914^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 47954717 - 2⁶ = 47954653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47054717) 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, 23977358 + 23977359.

It is an arithmetic number, because the mean of its divisors is an integer number (23977359).

Almost surely, 2^47954717 is an apocalyptic number.

It is an amenable number.

47954717 is a deficient number, since it is larger than the sum of its proper divisors (1).

47954717 is an equidigital number, since it uses as much as digits as its factorization.

47954717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246960, while the sum is 44.

The square root of 47954717 is about 6924.9344401229. The cubic root of 47954717 is about 363.3097983428.

The spelling of 47954717 in words is "forty-seven million, nine hundred fifty-four thousand, seven hundred seventeen".