63706841 has 4 divisors (see below), whose sum is σ = 69498384. Its totient is φ = 57915300.

The previous prime is 63706793. The next prime is 63706847. The reversal of 63706841 is 14860736.

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 63706841 - 2⁶ = 63706777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63706847) 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, 2895755 + ... + 2895776.

It is an arithmetic number, because the mean of its divisors is an integer number (17374596).

Almost surely, 2^63706841 is an apocalyptic number.

It is an amenable number.

63706841 is a deficient number, since it is larger than the sum of its proper divisors (5791543).

63706841 is a wasteful number, since it uses less digits than its factorization.

63706841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5791542.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 63706841 is about 7981.6565323246. The cubic root of 63706841 is about 399.3883171704.

The spelling of 63706841 in words is "sixty-three million, seven hundred six thousand, eight hundred forty-one".