68028579 has 24 divisors (see below), whose sum is σ = 103364352. Its totient is φ = 44702280.

The previous prime is 68028551. The next prime is 68028581. The reversal of 68028579 is 97582086.

It is not a de Polignac number, because 68028579 - 2⁵ = 68028547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68028529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15282 + ... + 19224.

It is an arithmetic number, because the mean of its divisors is an integer number (4306848).

Almost surely, 2^68028579 is an apocalyptic number.

68028579 is a deficient number, since it is larger than the sum of its proper divisors (35335773).

68028579 is an equidigital number, since it uses as much as digits as its factorization.

68028579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029 (or 4017 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 68028579 is about 8247.9439256096. The cubic root of 68028579 is about 408.2226833698. Note that the first 3 decimals are identical.

The spelling of 68028579 in words is "sixty-eight million, twenty-eight thousand, five hundred seventy-nine".