8073641 has 2 divisors, whose sum is σ = 8073642. Its totient is φ = 8073640.

The previous prime is 8073607. The next prime is 8073647. The reversal of 8073641 is 1463708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7958041 + 115600 = 2821^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 8073641 - 2⁶ = 8073577 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 (8073647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4036820 + 4036821.

It is an arithmetic number, because the mean of its divisors is an integer number (4036821).

Almost surely, 2^8073641 is an apocalyptic number.

It is an amenable number.

8073641 is a deficient number, since it is larger than the sum of its proper divisors (1).

8073641 is an equidigital number, since it uses as much as digits as its factorization.

8073641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 8073641 is about 2841.4153163520. The cubic root of 8073641 is about 200.6118015858.

The spelling of 8073641 in words is "eight million, seventy-three thousand, six hundred forty-one".