68108925 has 24 divisors (see below), whose sum is σ = 112876704. Its totient is φ = 36237760.

The previous prime is 68108921. The next prime is 68108933. The reversal of 68108925 is 52980186.

It is not a de Polignac number, because 68108925 - 2² = 68108921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68108921) 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 23 ways as a sum of consecutive naturals, for example, 41419 + ... + 43031.

It is an arithmetic number, because the mean of its divisors is an integer number (4703196).

Almost surely, 2^68108925 is an apocalyptic number.

It is an amenable number.

68108925 is a deficient number, since it is larger than the sum of its proper divisors (44767779).

68108925 is a wasteful number, since it uses less digits than its factorization.

68108925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189 (or 2184 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 68108925 is about 8252.8131567363. The cubic root of 68108925 is about 408.3833323014.

The spelling of 68108925 in words is "sixty-eight million, one hundred eight thousand, nine hundred twenty-five".