9728027 has 2 divisors, whose sum is σ = 9728028. Its totient is φ = 9728026.

The previous prime is 9728023. The next prime is 9728039. The reversal of 9728027 is 7208279.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9728027 - 2² = 9728023 is a prime.

It is not a weakly prime, because it can be changed into another prime (9728023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4864013 + 4864014.

It is an arithmetic number, because the mean of its divisors is an integer number (4864014).

Almost surely, 2^9728027 is an apocalyptic number.

9728027 is a deficient number, since it is larger than the sum of its proper divisors (1).

9728027 is an equidigital number, since it uses as much as digits as its factorization.

9728027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 9728027 is about 3118.9785186820. The cubic root of 9728027 is about 213.4723293944.

The spelling of 9728027 in words is "nine million, seven hundred twenty-eight thousand, twenty-seven".