63671067 has 6 divisors (see below), whose sum is σ = 91969332. Its totient is φ = 42447372.

The previous prime is 63671063. The next prime is 63671081. The reversal of 63671067 is 76017636.

63671067 is a `hidden beast` number, since 636 + 7 + 10 + 6 + 7 = 666.

It is not a de Polignac number, because 63671067 - 2² = 63671063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63671063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3537273 + ... + 3537290.

It is an arithmetic number, because the mean of its divisors is an integer number (15328222).

Almost surely, 2^63671067 is an apocalyptic number.

63671067 is a deficient number, since it is larger than the sum of its proper divisors (28298265).

63671067 is a wasteful number, since it uses less digits than its factorization.

63671067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7074569 (or 7074566 counting only the distinct ones).

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

The square root of 63671067 is about 7979.4152041362. The cubic root of 63671067 is about 399.3135455413.

The spelling of 63671067 in words is "sixty-three million, six hundred seventy-one thousand, sixty-seven".