68507625 has 16 divisors (see below), whose sum is σ = 113997312. Its totient is φ = 36537200.

The previous prime is 68507617. The next prime is 68507633. The reversal of 68507625 is 52670586.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68507617) and next prime (68507633).

It is not a de Polignac number, because 68507625 - 2³ = 68507617 is a prime.

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, 90969 + ... + 91718.

It is an arithmetic number, because the mean of its divisors is an integer number (7124832).

Almost surely, 2^68507625 is an apocalyptic number.

It is an amenable number.

68507625 is a deficient number, since it is larger than the sum of its proper divisors (45489687).

68507625 is a wasteful number, since it uses less digits than its factorization.

68507625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182705 (or 182695 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 68507625 is about 8276.9333089013. The cubic root of 68507625 is about 409.1786551398.

The spelling of 68507625 in words is "sixty-eight million, five hundred seven thousand, six hundred twenty-five".