47657017 has 4 divisors (see below), whose sum is σ = 48556260. Its totient is φ = 46757776.

The previous prime is 47657011. The next prime is 47657041. The reversal of 47657017 is 71075674.

47657017 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.

It can be written as a sum of positive squares in 2 ways, for example, as 38800441 + 8856576 = 6229^2 + 2976^2 .

It is a cyclic number.

It is not a de Polignac number, because 47657017 - 2³ = 47657009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47657011) 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, 449542 + ... + 449647.

It is an arithmetic number, because the mean of its divisors is an integer number (12139065).

Almost surely, 2^47657017 is an apocalyptic number.

It is an amenable number.

47657017 is a deficient number, since it is larger than the sum of its proper divisors (899243).

47657017 is an equidigital number, since it uses as much as digits as its factorization.

47657017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899242.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 47657017 is about 6903.4061882523. The cubic root of 47657017 is about 362.5564354465.

The spelling of 47657017 in words is "forty-seven million, six hundred fifty-seven thousand, seventeen".