73505063 has 2 divisors, whose sum is σ = 73505064. Its totient is φ = 73505062.

The previous prime is 73504993. The next prime is 73505077. The reversal of 73505063 is 36050537.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73505063 - 2⁸ = 73504807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73505083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36752531 + 36752532.

It is an arithmetic number, because the mean of its divisors is an integer number (36752532).

Almost surely, 2^73505063 is an apocalyptic number.

73505063 is a deficient number, since it is larger than the sum of its proper divisors (1).

73505063 is an equidigital number, since it uses as much as digits as its factorization.

73505063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 73505063 is about 8573.5093748126. The cubic root of 73505063 is about 418.8955544202.

The spelling of 73505063 in words is "seventy-three million, five hundred five thousand, sixty-three".