32478530 has 32 divisors (see below), whose sum is σ = 69721344. Its totient is φ = 10650816.

The previous prime is 32478499. The next prime is 32478541. The reversal of 32478530 is 3587423.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8477 + ... + 11696.

It is an arithmetic number, because the mean of its divisors is an integer number (2178792).

Almost surely, 2^32478530 is an apocalyptic number.

32478530 is an abundant number, since it is smaller than the sum of its proper divisors (37242814).

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

32478530 is a wasteful number, since it uses less digits than its factorization.

32478530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20210.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 32478530 is about 5698.9937708336. The cubic root of 32478530 is about 319.0549264540.

The spelling of 32478530 in words is "thirty-two million, four hundred seventy-eight thousand, five hundred thirty".