63750769 has 2 divisors, whose sum is σ = 63750770. Its totient is φ = 63750768.

The previous prime is 63750761. The next prime is 63750781. The reversal of 63750769 is 96705736.

63750769 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., 62094400 + 1656369 = 7880^2 + 1287^2 .

It is a cyclic number.

It is not a de Polignac number, because 63750769 - 2³ = 63750761 is a prime.

It is a super-2 number, since 2×63750769² = 8128321096182722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63750761) by changing a digit.

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, 31875384 + 31875385.

It is an arithmetic number, because the mean of its divisors is an integer number (31875385).

Almost surely, 2^63750769 is an apocalyptic number.

It is an amenable number.

63750769 is a deficient number, since it is larger than the sum of its proper divisors (1).

63750769 is an equidigital number, since it uses as much as digits as its factorization.

63750769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 63750769 is about 7984.4078678384. The cubic root of 63750769 is about 399.4800932853.

The spelling of 63750769 in words is "sixty-three million, seven hundred fifty thousand, seven hundred sixty-nine".