68609425 has 12 divisors (see below), whose sum is σ = 86887296. Its totient is φ = 53718800.

The previous prime is 68609383. The next prime is 68609459. The reversal of 68609425 is 52490686.

It is a happy number.

It is not a de Polignac number, because 68609425 - 2⁹ = 68608913 is a prime.

It is a Duffinian 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, 28021 + ... + 30370.

It is an arithmetic number, because the mean of its divisors is an integer number (7240608).

Almost surely, 2^68609425 is an apocalyptic number.

It is an amenable number.

68609425 is a deficient number, since it is larger than the sum of its proper divisors (18277871).

68609425 is a wasteful number, since it uses less digits than its factorization.

68609425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58448 (or 58443 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 68609425 is about 8283.0806467159. The cubic root of 68609425 is about 409.3812300200.

The spelling of 68609425 in words is "sixty-eight million, six hundred nine thousand, four hundred twenty-five".