47257017 has 8 divisors (see below), whose sum is σ = 63085824. Its totient is φ = 31466448.

The previous prime is 47257003. The next prime is 47257027. The reversal of 47257017 is 71075274.

It is a happy number.

47257017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47257017 - 2¹¹ = 47254969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47257027) 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 7 ways as a sum of consecutive naturals, for example, 6538 + ... + 11715.

It is an arithmetic number, because the mean of its divisors is an integer number (7885728).

Almost surely, 2^47257017 is an apocalyptic number.

It is an amenable number.

47257017 is a deficient number, since it is larger than the sum of its proper divisors (15828807).

47257017 is a wasteful number, since it uses less digits than its factorization.

47257017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19119.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 47257017 is about 6874.3739351304. The cubic root of 47257017 is about 361.5392350032.

The spelling of 47257017 in words is "forty-seven million, two hundred fifty-seven thousand, seventeen".