68317925 has 12 divisors (see below), whose sum is σ = 91231140. Its totient is φ = 50449920.

The previous prime is 68317919. The next prime is 68317937. The reversal of 68317925 is 52971386.

It can be written as a sum of positive squares in 6 ways, for example, as 7134241 + 61183684 = 2671^2 + 7822^2 .

It is not a de Polignac number, because 68317925 - 2⁶ = 68317861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104780 + ... + 105429.

It is an arithmetic number, because the mean of its divisors is an integer number (7602595).

Almost surely, 2^68317925 is an apocalyptic number.

68317925 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68317925 is a deficient number, since it is larger than the sum of its proper divisors (22913215).

68317925 is a wasteful number, since it uses less digits than its factorization.

68317925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210232 (or 210227 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 68317925 is about 8265.4658065955. The cubic root of 68317925 is about 408.8006293529.

The spelling of 68317925 in words is "sixty-eight million, three hundred seventeen thousand, nine hundred twenty-five".