73646063 has 2 divisors, whose sum is σ = 73646064. Its totient is φ = 73646062.

The previous prime is 73646059. The next prime is 73646077. The reversal of 73646063 is 36064637.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73646063 - 2² = 73646059 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73636063) 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, 36823031 + 36823032.

It is an arithmetic number, because the mean of its divisors is an integer number (36823032).

Almost surely, 2^73646063 is an apocalyptic number.

73646063 is a deficient number, since it is larger than the sum of its proper divisors (1).

73646063 is an equidigital number, since it uses as much as digits as its factorization.

73646063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 73646063 is about 8581.7284389568. The cubic root of 73646063 is about 419.1632300721.

The spelling of 73646063 in words is "seventy-three million, six hundred forty-six thousand, sixty-three".