63768842 has 16 divisors (see below), whose sum is σ = 96895872. Its totient is φ = 31473120.

The previous prime is 63768839. The next prime is 63768869. The reversal of 63768842 is 24886736.

It is a junction number, because it is equal to n+sod(n) for n = 63768793 and 63768802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57263 + ... + 58365.

It is an arithmetic number, because the mean of its divisors is an integer number (6055992).

Almost surely, 2^63768842 is an apocalyptic number.

63768842 is a deficient number, since it is larger than the sum of its proper divisors (33127030).

63768842 is a wasteful number, since it uses less digits than its factorization.

63768842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453.

The product of its digits is 387072, while the sum is 44.

The square root of 63768842 is about 7985.5395559724. The cubic root of 63768842 is about 399.5178398709.

The spelling of 63768842 in words is "sixty-three million, seven hundred sixty-eight thousand, eight hundred forty-two".