804204073 has 2 divisors, whose sum is σ = 804204074. Its totient is φ = 804204072.

The previous prime is 804204067. The next prime is 804204097. The reversal of 804204073 is 370402408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 585252864 + 218951209 = 24192^2 + 14797^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-804204073 is a prime.

It is not a weakly prime, because it can be changed into another prime (804208073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402102036 + 402102037.

It is an arithmetic number, because the mean of its divisors is an integer number (402102037).

Almost surely, 2^804204073 is an apocalyptic number.

It is an amenable number.

804204073 is a deficient number, since it is larger than the sum of its proper divisors (1).

804204073 is an equidigital number, since it uses as much as digits as its factorization.

804204073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 804204073 is about 28358.4920790933. The cubic root of 804204073 is about 929.9410580442.

The spelling of 804204073 in words is "eight hundred four million, two hundred four thousand, seventy-three".