63866274 has 16 divisors (see below), whose sum is σ = 130848480. Its totient is φ = 20769440.

The previous prime is 63866269. The next prime is 63866303. The reversal of 63866274 is 47266836.

63866274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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, 129564 + ... + 130055.

It is an arithmetic number, because the mean of its divisors is an integer number (8178030).

Almost surely, 2^63866274 is an apocalyptic number.

63866274 is an abundant number, since it is smaller than the sum of its proper divisors (66982206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63866274 is a wasteful number, since it uses less digits than its factorization.

63866274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259665.

The product of its digits is 290304, while the sum is 42.

The square root of 63866274 is about 7991.6377545532. The cubic root of 63866274 is about 399.7212099020.

The spelling of 63866274 in words is "sixty-three million, eight hundred sixty-six thousand, two hundred seventy-four".