32728466 has 4 divisors (see below), whose sum is σ = 49092702. Its totient is φ = 16364232.

The previous prime is 32728463. The next prime is 32728481. The reversal of 32728466 is 66482723.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25050025 + 7678441 = 5005^2 + 2771^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32728463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8182115 + ... + 8182118.

Almost surely, 2^32728466 is an apocalyptic number.

32728466 is a deficient number, since it is larger than the sum of its proper divisors (16364236).

32728466 is a wasteful number, since it uses less digits than its factorization.

32728466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16364235.

The product of its digits is 96768, while the sum is 38.

The square root of 32728466 is about 5720.8798274391. The cubic root of 32728466 is about 319.8712568044.

The spelling of 32728466 in words is "thirty-two million, seven hundred twenty-eight thousand, four hundred sixty-six".