47415 has 16 divisors (see below), whose sum is σ = 79200. Its totient is φ = 24192.

The previous prime is 47407. The next prime is 47417. The reversal of 47415 is 51474.

It is not a de Polignac number, because 47415 - 2³ = 47407 is a prime.

It is a plaindrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 47391 and 47400.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 47415.

It is not an unprimeable number, because it can be changed into a prime (47417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381 + ... + 489.

It is an arithmetic number, because the mean of its divisors is an integer number (4950).

2⁴⁷⁴¹⁵ is an apocalyptic number.

47415 is a deficient number, since it is larger than the sum of its proper divisors (31785).

47415 is a wasteful number, since it uses less digits than its factorization.

47415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146.

The product of its digits is 560, while the sum is 21.

The square root of 47415 is about 217.7498564867. The cubic root of 47415 is about 36.1941669223.

Adding to 47415 its reverse (51474), we get a palindrome (98889).

The spelling of 47415 in words is "forty-seven thousand, four hundred fifteen".