47351717 has 4 divisors (see below), whose sum is σ = 54116256. Its totient is φ = 40587180.

The previous prime is 47351713. The next prime is 47351747. The reversal of 47351717 is 71715374.

47351717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71715374 = 2 ⋅35857687.

It is a cyclic number.

It is not a de Polignac number, because 47351717 - 2² = 47351713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47351713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3382259 + ... + 3382272.

It is an arithmetic number, because the mean of its divisors is an integer number (13529064).

Almost surely, 2^47351717 is an apocalyptic number.

It is an amenable number.

47351717 is a deficient number, since it is larger than the sum of its proper divisors (6764539).

47351717 is an equidigital number, since it uses as much as digits as its factorization.

47351717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6764538.

The product of its digits is 20580, while the sum is 35.

The square root of 47351717 is about 6881.2583878241. The cubic root of 47351717 is about 361.7805742657.

The spelling of 47351717 in words is "forty-seven million, three hundred fifty-one thousand, seven hundred seventeen".