68775259 has 4 divisors (see below), whose sum is σ = 78600304. Its totient is φ = 58950216.

The previous prime is 68775253. The next prime is 68775277. The reversal of 68775259 is 95257786.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68775259 - 2⁵ = 68775227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68775253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4912512 + ... + 4912525.

It is an arithmetic number, because the mean of its divisors is an integer number (19650076).

Almost surely, 2^68775259 is an apocalyptic number.

68775259 is a deficient number, since it is larger than the sum of its proper divisors (9825045).

68775259 is an equidigital number, since it uses as much as digits as its factorization.

68775259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9825044.

The product of its digits is 1058400, while the sum is 49.

The square root of 68775259 is about 8293.0850110197. The cubic root of 68775259 is about 409.7107994264.

The spelling of 68775259 in words is "sixty-eight million, seven hundred seventy-five thousand, two hundred fifty-nine".