28073567 has 2 divisors, whose sum is σ = 28073568. Its totient is φ = 28073566.

The previous prime is 28073533. The next prime is 28073599. The reversal of 28073567 is 76537082.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28073567 - 2⁶ = 28073503 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28073567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28073267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14036783 + 14036784.

It is an arithmetic number, because the mean of its divisors is an integer number (14036784).

Almost surely, 2^28073567 is an apocalyptic number.

28073567 is a deficient number, since it is larger than the sum of its proper divisors (1).

28073567 is an equidigital number, since it uses as much as digits as its factorization.

28073567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 28073567 is about 5298.4494901811. The cubic root of 28073567 is about 303.9246083532.

The spelling of 28073567 in words is "twenty-eight million, seventy-three thousand, five hundred sixty-seven".