32478 has 8 divisors (see below), whose sum is σ = 64968. Its totient is φ = 10824.

The previous prime is 32467. The next prime is 32479. The reversal of 32478 is 87423.

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

32478 is an admirable number.

It is a plaindrome in base 11.

It is a nialpdrome in base 15.

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 32478.

It is not an unprimeable number, because it can be changed into a prime (32479) 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, 2701 + ... + 2712.

It is an arithmetic number, because the mean of its divisors is an integer number (8121).

2³²⁴⁷⁸ is an apocalyptic number.

32478 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.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32484).

32478 is a wasteful number, since it uses less digits than its factorization.

32478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5418.

The product of its digits is 1344, while the sum is 24.

The square root of 32478 is about 180.2165364222. The cubic root of 32478 is about 31.9053190948.

Subtracting 32478 from its reverse (87423), we obtain a palindrome (54945).

The spelling of 32478 in words is "thirty-two thousand, four hundred seventy-eight".