32478133 has 4 divisors (see below), whose sum is σ = 32601888. Its totient is φ = 32354380.

The previous prime is 32478107. The next prime is 32478151. The reversal of 32478133 is 33187423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33187423 = 337 ⋅98479.

It is a cyclic number.

It is not a de Polignac number, because 32478133 - 2¹⁷ = 32347061 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32478095 and 32478104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32472133) 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 3 ways as a sum of consecutive naturals, for example, 61483 + ... + 62008.

It is an arithmetic number, because the mean of its divisors is an integer number (8150472).

Almost surely, 2^32478133 is an apocalyptic number.

It is an amenable number.

32478133 is a deficient number, since it is larger than the sum of its proper divisors (123755).

32478133 is a wasteful number, since it uses less digits than its factorization.

32478133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123754.

The product of its digits is 12096, while the sum is 31.

The square root of 32478133 is about 5698.9589400170. The cubic root of 32478133 is about 319.0536264637.

The spelling of 32478133 in words is "thirty-two million, four hundred seventy-eight thousand, one hundred thirty-three".