47715 has 8 divisors (see below), whose sum is σ = 76368. Its totient is φ = 25440.

The previous prime is 47713. The next prime is 47717. The reversal of 47715 is 51774.

It is an interprime number because it is at equal distance from previous prime (47713) and next prime (47717).

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

It is not a de Polignac number, because 47715 - 2¹ = 47713 is a prime.

47715 is a lucky number.

It is a nialpdrome in base 15 and base 16.

It is not an unprimeable number, because it can be changed into a prime (47711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1576 + ... + 1605.

It is an arithmetic number, because the mean of its divisors is an integer number (9546).

2⁴⁷⁷¹⁵ is an apocalyptic number.

47715 is a deficient number, since it is larger than the sum of its proper divisors (28653).

47715 is a wasteful number, since it uses less digits than its factorization.

47715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189.

The product of its digits is 980, while the sum is 24.

The square root of 47715 is about 218.4376341201. The cubic root of 47715 is about 36.2703413382.

The spelling of 47715 in words is "forty-seven thousand, seven hundred fifteen".