63676841 has 4 divisors (see below), whose sum is σ = 63695184. Its totient is φ = 63658500.

The previous prime is 63676831. The next prime is 63676859. The reversal of 63676841 is 14867636.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63676841 - 2⁶ = 63676777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63676831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2195 + ... + 11496.

It is an arithmetic number, because the mean of its divisors is an integer number (15923796).

Almost surely, 2^63676841 is an apocalyptic number.

It is an amenable number.

63676841 is a deficient number, since it is larger than the sum of its proper divisors (18343).

63676841 is a wasteful number, since it uses less digits than its factorization.

63676841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18342.

The product of its digits is 145152, while the sum is 41.

The square root of 63676841 is about 7979.7770018967. Note that the first 3 decimals coincide. The cubic root of 63676841 is about 399.3256157370.

It can be divided in two parts, 636 and 76841, that added together give a palindrome (77477).

The spelling of 63676841 in words is "sixty-three million, six hundred seventy-six thousand, eight hundred forty-one".