68845925 has 12 divisors (see below), whose sum is σ = 85996356. Its totient is φ = 54672000.

The previous prime is 68845901. The next prime is 68845939. The reversal of 68845925 is 52954886.

It can be written as a sum of positive squares in 6 ways, for example, as 2244004 + 66601921 = 1498^2 + 8161^2 .

It is not a de Polignac number, because 68845925 - 2⁸ = 68845669 is a prime.

It is a super-2 number, since 2×68845925² = 9479522778211250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68845925.

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, 6626 + ... + 13475.

It is an arithmetic number, because the mean of its divisors is an integer number (7166363).

Almost surely, 2^68845925 is an apocalyptic number.

It is an amenable number.

68845925 is a deficient number, since it is larger than the sum of its proper divisors (17150431).

68845925 is a wasteful number, since it uses less digits than its factorization.

68845925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20248 (or 20243 counting only the distinct ones).

The product of its digits is 691200, while the sum is 47.

The square root of 68845925 is about 8297.3444547036. The cubic root of 68845925 is about 409.8510761927.

The spelling of 68845925 in words is "sixty-eight million, eight hundred forty-five thousand, nine hundred twenty-five".