68479667 has 8 divisors (see below), whose sum is σ = 72335760. Its totient is φ = 64648800.

The previous prime is 68479613. The next prime is 68479669. The reversal of 68479667 is 76697486.

It is a happy number.

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 68479667 - 2¹⁶ = 68414131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68479669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584 + ... + 11717.

It is an arithmetic number, because the mean of its divisors is an integer number (9041970).

Almost surely, 2^68479667 is an apocalyptic number.

68479667 is a deficient number, since it is larger than the sum of its proper divisors (3856093).

68479667 is a wasteful number, since it uses less digits than its factorization.

68479667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12613.

The product of its digits is 3048192, while the sum is 53.

The square root of 68479667 is about 8275.2442260032. The cubic root of 68479667 is about 409.1229855537.

The spelling of 68479667 in words is "sixty-eight million, four hundred seventy-nine thousand, six hundred sixty-seven".