32728567 has 2 divisors, whose sum is σ = 32728568. Its totient is φ = 32728566.

The previous prime is 32728561. The next prime is 32728627. The reversal of 32728567 is 76582723.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32728567 - 2⁷ = 32728439 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32728561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16364283 + 16364284.

It is an arithmetic number, because the mean of its divisors is an integer number (16364284).

Almost surely, 2^32728567 is an apocalyptic number.

32728567 is a deficient number, since it is larger than the sum of its proper divisors (1).

32728567 is an equidigital number, since it uses as much as digits as its factorization.

32728567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 40.

The square root of 32728567 is about 5720.8886547459. Note that the first 3 decimals coincide. The cubic root of 32728567 is about 319.8715858448.

The spelling of 32728567 in words is "thirty-two million, seven hundred twenty-eight thousand, five hundred sixty-seven".