68009225 has 12 divisors (see below), whose sum is σ = 84942480. Its totient is φ = 54013200.

The previous prime is 68009213. The next prime is 68009237. The reversal of 68009225 is 52290086.

It is an interprime number because it is at equal distance from previous prime (68009213) and next prime (68009237).

It is not a de Polignac number, because 68009225 - 2¹⁸ = 67747081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68009191 and 68009200.

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, 6311 + ... + 13260.

It is an arithmetic number, because the mean of its divisors is an integer number (7078540).

Almost surely, 2^68009225 is an apocalyptic number.

It is an amenable number.

68009225 is a deficient number, since it is larger than the sum of its proper divisors (16933255).

68009225 is a wasteful number, since it uses less digits than its factorization.

68009225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19720 (or 19715 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 68009225 is about 8246.7705800513. The cubic root of 68009225 is about 408.1839668416.

The spelling of 68009225 in words is "sixty-eight million, nine thousand, two hundred twenty-five".