63670671 has 16 divisors (see below), whose sum is σ = 95212800. Its totient is φ = 42048504.

The previous prime is 63670667. The next prime is 63670679. The reversal of 63670671 is 17607636.

It is not a de Polignac number, because 63670671 - 2² = 63670667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63670679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8131 + ... + 13908.

It is an arithmetic number, because the mean of its divisors is an integer number (5950800).

Almost surely, 2^63670671 is an apocalyptic number.

63670671 is a deficient number, since it is larger than the sum of its proper divisors (31542129).

63670671 is a wasteful number, since it uses less digits than its factorization.

63670671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22155 (or 22149 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 63670671 is about 7979.3903902491. The cubic root of 63670671 is about 399.3127177006.

The spelling of 63670671 in words is "sixty-three million, six hundred seventy thousand, six hundred seventy-one".