68928059 has 4 divisors (see below), whose sum is σ = 69956904. Its totient is φ = 67899216.

The previous prime is 68928049. The next prime is 68928061. The reversal of 68928059 is 95082986.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95082986 = 2 ⋅47541493.

It is a cyclic number.

It is not a de Polignac number, because 68928059 - 2⁴ = 68928043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68928019) 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 3 ways as a sum of consecutive naturals, for example, 514322 + ... + 514455.

It is an arithmetic number, because the mean of its divisors is an integer number (17489226).

Almost surely, 2^68928059 is an apocalyptic number.

68928059 is a deficient number, since it is larger than the sum of its proper divisors (1028845).

68928059 is a wasteful number, since it uses less digits than its factorization.

68928059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028844.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 68928059 is about 8302.2923942728. The cubic root of 68928059 is about 410.0139971426.

The spelling of 68928059 in words is "sixty-eight million, nine hundred twenty-eight thousand, fifty-nine".