67679563 has 8 divisors (see below), whose sum is σ = 77420000. Its totient is φ = 57957120.

The previous prime is 67679531. The next prime is 67679587. The reversal of 67679563 is 36597676.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67679563 - 2⁵ = 67679531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67679663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4873 + ... + 12613.

It is an arithmetic number, because the mean of its divisors is an integer number (9677500).

Almost surely, 2^67679563 is an apocalyptic number.

67679563 is a deficient number, since it is larger than the sum of its proper divisors (9740437).

67679563 is a wasteful number, since it uses less digits than its factorization.

67679563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8997.

The product of its digits is 1428840, while the sum is 49.

The square root of 67679563 is about 8226.7589608545. The cubic root of 67679563 is about 407.5233664948.

The spelling of 67679563 in words is "sixty-seven million, six hundred seventy-nine thousand, five hundred sixty-three".