63069385 has 8 divisors (see below), whose sum is σ = 75726216. Its totient is φ = 50426880.

The previous prime is 63069373. The next prime is 63069389. The reversal of 63069385 is 58396036.

63069385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10810944 + 52258441 = 3288^2 + 7229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63069385 - 2⁷ = 63069257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63069389) 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 in 7 ways as a sum of consecutive naturals, for example, 13675 + ... + 17695.

It is an arithmetic number, because the mean of its divisors is an integer number (9465777).

Almost surely, 2^63069385 is an apocalyptic number.

It is an amenable number.

63069385 is a deficient number, since it is larger than the sum of its proper divisors (12656831).

63069385 is a wasteful number, since it uses less digits than its factorization.

63069385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7163.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 63069385 is about 7941.6235745595. The cubic root of 63069385 is about 398.0517449115.

The spelling of 63069385 in words is "sixty-three million, sixty-nine thousand, three hundred eighty-five".