28747067 has 2 divisors, whose sum is σ = 28747068. Its totient is φ = 28747066.

The previous prime is 28747063. The next prime is 28747093. The reversal of 28747067 is 76074782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28747067 - 2² = 28747063 is a prime.

It is a super-2 number, since 2×28747067² = 1652787722204978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28747063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14373533 + 14373534.

It is an arithmetic number, because the mean of its divisors is an integer number (14373534).

Almost surely, 2^28747067 is an apocalyptic number.

28747067 is a deficient number, since it is larger than the sum of its proper divisors (1).

28747067 is an equidigital number, since it uses as much as digits as its factorization.

28747067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 28747067 is about 5361.6291367457. The cubic root of 28747067 is about 306.3358658576.

The spelling of 28747067 in words is "twenty-eight million, seven hundred forty-seven thousand, sixty-seven".