68807425 has 12 divisors (see below), whose sum is σ = 85429180. Its totient is φ = 54976320.

The previous prime is 68807407. The next prime is 68807429. The reversal of 68807425 is 52470886.

It can be written as a sum of positive squares in 6 ways, for example, as 30019441 + 38787984 = 5479^2 + 6228^2 .

It is not a de Polignac number, because 68807425 - 2²⁵ = 35252993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68807429) by changing a digit.

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, 29191 + ... + 31459.

Almost surely, 2^68807425 is an apocalyptic number.

It is an amenable number.

68807425 is a deficient number, since it is larger than the sum of its proper divisors (16621755).

68807425 is a wasteful number, since it uses less digits than its factorization.

68807425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492 (or 3487 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 68807425 is about 8295.0241108751. The cubic root of 68807425 is about 409.7746630102.

The spelling of 68807425 in words is "sixty-eight million, eight hundred seven thousand, four hundred twenty-five".