73421063 has 2 divisors, whose sum is σ = 73421064. Its totient is φ = 73421062.

The previous prime is 73421057. The next prime is 73421077. The reversal of 73421063 is 36012437.

It is a weak prime.

It is an emirp because it is prime and its reverse (36012437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73421063 - 2⁶ = 73420999 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 (73421093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36710531 + 36710532.

It is an arithmetic number, because the mean of its divisors is an integer number (36710532).

Almost surely, 2^73421063 is an apocalyptic number.

73421063 is a deficient number, since it is larger than the sum of its proper divisors (1).

73421063 is an equidigital number, since it uses as much as digits as its factorization.

73421063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 73421063 is about 8568.6091636858. The cubic root of 73421063 is about 418.7359253308.

The spelling of 73421063 in words is "seventy-three million, four hundred twenty-one thousand, sixty-three".