68187725 has 12 divisors (see below), whose sum is σ = 84655296. Its totient is φ = 54484080.

The previous prime is 68187719. The next prime is 68187773. The reversal of 68187725 is 52778186.

It is not a de Polignac number, because 68187725 - 2¹⁸ = 67925581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38714 + ... + 40436.

It is an arithmetic number, because the mean of its divisors is an integer number (7054608).

Almost surely, 2^68187725 is an apocalyptic number.

It is an amenable number.

68187725 is a deficient number, since it is larger than the sum of its proper divisors (16467571).

68187725 is a wasteful number, since it uses less digits than its factorization.

68187725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316 (or 3311 counting only the distinct ones).

The product of its digits is 188160, while the sum is 44.

The square root of 68187725 is about 8257.5859063046. The cubic root of 68187725 is about 408.5407673898.

The spelling of 68187725 in words is "sixty-eight million, one hundred eighty-seven thousand, seven hundred twenty-five".