68859625 has 16 divisors (see below), whose sum is σ = 86585616. Its totient is φ = 54672000.

The previous prime is 68859619. The next prime is 68859643. The reversal of 68859625 is 52695886.

It can be written as a sum of positive squares in 8 ways, for example, as 37589161 + 31270464 = 6131^2 + 5592^2 .

It is not a de Polignac number, because 68859625 - 2⁹ = 68859113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15115 + ... + 19135.

It is an arithmetic number, because the mean of its divisors is an integer number (5411601).

Almost surely, 2^68859625 is an apocalyptic number.

It is an amenable number.

68859625 is a deficient number, since it is larger than the sum of its proper divisors (17725991).

68859625 is a wasteful number, since it uses less digits than its factorization.

68859625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173 (or 4163 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 49.

The square root of 68859625 is about 8298.1699789773. The cubic root of 68859625 is about 409.8782605048.

The spelling of 68859625 in words is "sixty-eight million, eight hundred fifty-nine thousand, six hundred twenty-five".