68907625 has 16 divisors (see below), whose sum is σ = 88966800. Its totient is φ = 53222400.

The previous prime is 68907589. The next prime is 68907649. The reversal of 68907625 is 52670986.

It can be written as a sum of positive squares in 8 ways, for example, as 10705984 + 58201641 = 3272^2 + 7629^2 .

It is not a de Polignac number, because 68907625 - 2⁷ = 68907497 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 5880 + ... + 13129.

It is an arithmetic number, because the mean of its divisors is an integer number (5560425).

Almost surely, 2^68907625 is an apocalyptic number.

It is an amenable number.

68907625 is a deficient number, since it is larger than the sum of its proper divisors (20059175).

68907625 is a wasteful number, since it uses less digits than its factorization.

68907625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19053 (or 19043 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 68907625 is about 8301.0616790866. The cubic root of 68907625 is about 409.9734763726.

The spelling of 68907625 in words is "sixty-eight million, nine hundred seven thousand, six hundred twenty-five".