63567047 has 4 divisors (see below), whose sum is σ = 63947856. Its totient is φ = 63186240.

The previous prime is 63567011. The next prime is 63567067. The reversal of 63567047 is 74076536.

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

It is a cyclic number.

It is not a de Polignac number, because 63567047 - 2²⁰ = 62518471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63567047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63567067) 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, 190154 + ... + 190487.

It is an arithmetic number, because the mean of its divisors is an integer number (15986964).

Almost surely, 2^63567047 is an apocalyptic number.

63567047 is a deficient number, since it is larger than the sum of its proper divisors (380809).

63567047 is a wasteful number, since it uses less digits than its factorization.

63567047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380808.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 63567047 is about 7972.8945183039. The cubic root of 63567047 is about 399.0959729603.

The spelling of 63567047 in words is "sixty-three million, five hundred sixty-seven thousand, forty-seven".