63798073 has 2 divisors, whose sum is σ = 63798074. Its totient is φ = 63798072.

The previous prime is 63798047. The next prime is 63798079. The reversal of 63798073 is 37089736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62773929 + 1024144 = 7923^2 + 1012^2 .

It is a cyclic number.

It is not a de Polignac number, because 63798073 - 2⁵ = 63798041 is a prime.

It is not a weakly prime, because it can be changed into another prime (63798079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31899036 + 31899037.

It is an arithmetic number, because the mean of its divisors is an integer number (31899037).

Almost surely, 2^63798073 is an apocalyptic number.

It is an amenable number.

63798073 is a deficient number, since it is larger than the sum of its proper divisors (1).

63798073 is an equidigital number, since it uses as much as digits as its factorization.

63798073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 63798073 is about 7987.3695920497. The cubic root of 63798073 is about 399.5788755411.

The spelling of 63798073 in words is "sixty-three million, seven hundred ninety-eight thousand, seventy-three".