63674961 has 48 divisors (see below), whose sum is σ = 103749120. Its totient is φ = 34594560.

The previous prime is 63674917. The next prime is 63674969. The reversal of 63674961 is 16947636.

It is not a de Polignac number, because 63674961 - 2¹¹ = 63672913 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (63674969) 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, 405495 + ... + 405651.

It is an arithmetic number, because the mean of its divisors is an integer number (2161440).

Almost surely, 2^63674961 is an apocalyptic number.

It is an amenable number.

63674961 is a deficient number, since it is larger than the sum of its proper divisors (40074159).

63674961 is a wasteful number, since it uses less digits than its factorization.

63674961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 287 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 63674961 is about 7979.6592032492. The cubic root of 63674961 is about 399.3216857915.

The spelling of 63674961 in words is "sixty-three million, six hundred seventy-four thousand, nine hundred sixty-one".