63736273 has 2 divisors, whose sum is σ = 63736274. Its totient is φ = 63736272.

The previous prime is 63736271. The next prime is 63736291. The reversal of 63736273 is 37263736.

63736273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35188624 + 28547649 = 5932^2 + 5343^2 .

It is a cyclic number.

It is not a de Polignac number, because 63736273 - 2¹ = 63736271 is a prime.

Together with 63736271, it forms a pair of twin primes.

It is the 7984-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (63736271) by changing a digit.

It is a nontrivial repunit in base 7983.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31868136 + 31868137.

It is an arithmetic number, because the mean of its divisors is an integer number (31868137).

Almost surely, 2^63736273 is an apocalyptic number.

It is an amenable number.

63736273 is a deficient number, since it is larger than the sum of its proper divisors (1).

63736273 is an equidigital number, since it uses as much as digits as its factorization.

63736273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 37.

The square root of 63736273 is about 7983.5000469719. The cubic root of 63736273 is about 399.4498123308.

It can be divided in two parts, 63736 and 273, that added together give a square (64009 = 253²).

The spelling of 63736273 in words is "sixty-three million, seven hundred thirty-six thousand, two hundred seventy-three".