63348671 has 4 divisors (see below), whose sum is σ = 64111992. Its totient is φ = 62585352.

The previous prime is 63348661. The next prime is 63348697. The reversal of 63348671 is 17684336.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63348671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63348661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381536 + ... + 381701.

It is an arithmetic number, because the mean of its divisors is an integer number (16027998).

Almost surely, 2^63348671 is an apocalyptic number.

63348671 is a deficient number, since it is larger than the sum of its proper divisors (763321).

63348671 is an equidigital number, since it uses as much as digits as its factorization.

63348671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763320.

The product of its digits is 72576, while the sum is 38.

The square root of 63348671 is about 7959.1878354516. The cubic root of 63348671 is about 398.6384351952.

The spelling of 63348671 in words is "sixty-three million, three hundred forty-eight thousand, six hundred seventy-one".