47842117 has 8 divisors (see below), whose sum is σ = 49005792. Its totient is φ = 46690800.

The previous prime is 47842061. The next prime is 47842127. The reversal of 47842117 is 71124874.

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

It is a cyclic number.

It is not a de Polignac number, because 47842117 - 2²³ = 39453509 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 (47842127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4998 + ... + 10984.

It is an arithmetic number, because the mean of its divisors is an integer number (6125724).

Almost surely, 2^47842117 is an apocalyptic number.

It is an amenable number.

47842117 is a deficient number, since it is larger than the sum of its proper divisors (1163675).

47842117 is a wasteful number, since it uses less digits than its factorization.

47842117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6179.

The product of its digits is 12544, while the sum is 34.

The square root of 47842117 is about 6916.7996212121. The cubic root of 47842117 is about 363.0252191521.

The spelling of 47842117 in words is "forty-seven million, eight hundred forty-two thousand, one hundred seventeen".