63710066 has 16 divisors (see below), whose sum is σ = 109323456. Its totient is φ = 27277776.

The previous prime is 63710063. The next prime is 63710083. The reversal of 63710066 is 66001736.

It is a happy number.

63710066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63710063) 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, 21380 + ... + 24176.

It is an arithmetic number, because the mean of its divisors is an integer number (6832716).

Almost surely, 2^63710066 is an apocalyptic number.

63710066 is a deficient number, since it is larger than the sum of its proper divisors (45613390).

63710066 is a wasteful number, since it uses less digits than its factorization.

63710066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 63710066 is about 7981.8585554995. The cubic root of 63710066 is about 399.3950564027.

The spelling of 63710066 in words is "sixty-three million, seven hundred ten thousand, sixty-six".