63974841 has 48 divisors (see below), whose sum is σ = 105336000. Its totient is φ = 34376832.

The previous prime is 63974777. The next prime is 63974851. The reversal of 63974841 is 14847936.

It is not a de Polignac number, because 63974841 - 2⁶ = 63974777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63974793 and 63974802.

It is not an unprimeable number, because it can be changed into a prime (63974851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183135 + ... + 183483.

It is an arithmetic number, because the mean of its divisors is an integer number (2194500).

Almost surely, 2^63974841 is an apocalyptic number.

It is an amenable number.

63974841 is a deficient number, since it is larger than the sum of its proper divisors (41361159).

63974841 is a wasteful number, since it uses less digits than its factorization.

63974841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 431 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 63974841 is about 7998.4274079346. The cubic root of 63974841 is about 399.9475785469.

The spelling of 63974841 in words is "sixty-three million, nine hundred seventy-four thousand, eight hundred forty-one".