47443417 has 8 divisors (see below), whose sum is σ = 55328000. Its totient is φ = 40665492.

The previous prime is 47443397. The next prime is 47443441. The reversal of 47443417 is 71434474.

It is a de Polignac number, because none of the positive numbers 2^k-47443417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47443477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68817 + ... + 69502.

It is an arithmetic number, because the mean of its divisors is an integer number (6916000).

Almost surely, 2^47443417 is an apocalyptic number.

It is an amenable number.

47443417 is a deficient number, since it is larger than the sum of its proper divisors (7884583).

47443417 is an equidigital number, since it uses as much as digits as its factorization.

47443417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138340 (or 138326 counting only the distinct ones).

The product of its digits is 37632, while the sum is 34.

The square root of 47443417 is about 6887.9181905711. The cubic root of 47443417 is about 362.0139616930.

The spelling of 47443417 in words is "forty-seven million, four hundred forty-three thousand, four hundred seventeen".