47217417 has 12 divisors (see below), whose sum is σ = 68172624. Its totient is φ = 29056560.

The previous prime is 47217377. The next prime is 47217427. The reversal of 47217417 is 71471274.

It is not a de Polignac number, because 47217417 - 2¹⁵ = 47184649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47217427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46059 + ... + 47072.

It is an arithmetic number, because the mean of its divisors is an integer number (5681052).

Almost surely, 2^47217417 is an apocalyptic number.

It is an amenable number.

47217417 is a deficient number, since it is larger than the sum of its proper divisors (20955207).

47217417 is a wasteful number, since it uses less digits than its factorization.

47217417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93160 (or 93147 counting only the distinct ones).

The product of its digits is 10976, while the sum is 33.

The square root of 47217417 is about 6871.4930691954. The cubic root of 47217417 is about 361.4382203423.

The spelling of 47217417 in words is "forty-seven million, two hundred seventeen thousand, four hundred seventeen".