63567673 has 16 divisors (see below), whose sum is σ = 73259200. Its totient is φ = 54665280.

The previous prime is 63567667. The next prime is 63567719. The reversal of 63567673 is 37676536.

It is a de Polignac number, because none of the positive numbers 2^k-63567673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63567613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12958 + ... + 17176.

It is an arithmetic number, because the mean of its divisors is an integer number (4578700).

Almost surely, 2^63567673 is an apocalyptic number.

It is an amenable number.

63567673 is a deficient number, since it is larger than the sum of its proper divisors (9691527).

63567673 is a wasteful number, since it uses less digits than its factorization.

63567673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312.

The product of its digits is 476280, while the sum is 43.

The square root of 63567673 is about 7972.9337762206. The cubic root of 63567673 is about 399.0972830378.

The spelling of 63567673 in words is "sixty-three million, five hundred sixty-seven thousand, six hundred seventy-three".