47517438 has 8 divisors (see below), whose sum is σ = 95034888. Its totient is φ = 15839144.

The previous prime is 47517427. The next prime is 47517439. The reversal of 47517438 is 83471574.

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

47517438 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 47517396 and 47517405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47517439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3959781 + ... + 3959792.

It is an arithmetic number, because the mean of its divisors is an integer number (11879361).

Almost surely, 2^47517438 is an apocalyptic number.

47517438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47517438 is a wasteful number, since it uses less digits than its factorization.

47517438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7919578.

The product of its digits is 94080, while the sum is 39.

The square root of 47517438 is about 6893.2893454431. The cubic root of 47517438 is about 362.2021347015.

The spelling of 47517438 in words is "forty-seven million, five hundred seventeen thousand, four hundred thirty-eight".