32728467 has 8 divisors (see below), whose sum is σ = 45045760. Its totient is φ = 21115080.

The previous prime is 32728463. The next prime is 32728481. The reversal of 32728467 is 76482723.

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

It is not a de Polignac number, because 32728467 - 2² = 32728463 is a prime.

It is a Duffinian 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 in 7 ways as a sum of consecutive naturals, for example, 175867 + ... + 176052.

It is an arithmetic number, because the mean of its divisors is an integer number (5630720).

Almost surely, 2^32728467 is an apocalyptic number.

32728467 is a deficient number, since it is larger than the sum of its proper divisors (12317293).

32728467 is a wasteful number, since it uses less digits than its factorization.

32728467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351953.

The product of its digits is 112896, while the sum is 39.

The square root of 32728467 is about 5720.8799148383. The cubic root of 32728467 is about 319.8712600622.

The spelling of 32728467 in words is "thirty-two million, seven hundred twenty-eight thousand, four hundred sixty-seven".