63612073 has 16 divisors (see below), whose sum is σ = 73877760. Its totient is φ = 53649216.

The previous prime is 63612071. The next prime is 63612077. The reversal of 63612073 is 37021636.

63612073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 63612073 - 2¹ = 63612071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63612071) 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 15 ways as a sum of consecutive naturals, for example, 200511 + ... + 200827.

It is an arithmetic number, because the mean of its divisors is an integer number (4617360).

Almost surely, 2^63612073 is an apocalyptic number.

It is an amenable number.

63612073 is a deficient number, since it is larger than the sum of its proper divisors (10265687).

63612073 is a wasteful number, since it uses less digits than its factorization.

63612073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 63612073 is about 7975.7177106515. The cubic root of 63612073 is about 399.1901803367.

The spelling of 63612073 in words is "sixty-three million, six hundred twelve thousand, seventy-three".