68104825 has 6 divisors (see below), whose sum is σ = 84450014. Its totient is φ = 54483840.

The previous prime is 68104811. The next prime is 68104831. The reversal of 68104825 is 52840186.

It can be written as a sum of positive squares in 3 ways, for example, as 7311616 + 60793209 = 2704^2 + 7797^2 .

It is not a de Polignac number, because 68104825 - 2⁷ = 68104697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1362072 + ... + 1362121.

Almost surely, 2^68104825 is an apocalyptic number.

It is an amenable number.

68104825 is a deficient number, since it is larger than the sum of its proper divisors (16345189).

68104825 is a wasteful number, since it uses less digits than its factorization.

68104825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724203 (or 2724198 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 68104825 is about 8252.5647528511. The cubic root of 68104825 is about 408.3751375591.

The spelling of 68104825 in words is "sixty-eight million, one hundred four thousand, eight hundred twenty-five".