68613606 has 24 divisors (see below), whose sum is σ = 149666400. Its totient is φ = 22716816.

The previous prime is 68613599. The next prime is 68613679. The reversal of 68613606 is 60631686.

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, 10110 + ... + 15473.

It is an arithmetic number, because the mean of its divisors is an integer number (6236100).

Almost surely, 2^68613606 is an apocalyptic number.

68613606 is an abundant number, since it is smaller than the sum of its proper divisors (81052794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68613606 is a wasteful number, since it uses less digits than its factorization.

68613606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25740 (or 25737 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 68613606 is about 8283.3330248156. Note that the first 3 decimals coincide. The cubic root of 68613606 is about 409.3895456324.

The spelling of 68613606 in words is "sixty-eight million, six hundred thirteen thousand, six hundred six".