68685836 has 12 divisors (see below), whose sum is σ = 126526680. Its totient is φ = 32535360.

The previous prime is 68685811. The next prime is 68685907. The reversal of 68685836 is 63858686.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451805 + ... + 451956.

It is an arithmetic number, because the mean of its divisors is an integer number (10543890).

Almost surely, 2^68685836 is an apocalyptic number.

It is an amenable number.

68685836 is a deficient number, since it is larger than the sum of its proper divisors (57840844).

68685836 is a wasteful number, since it uses less digits than its factorization.

68685836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903784 (or 903782 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 68685836 is about 8287.6918379003. The cubic root of 68685836 is about 409.5331509531.

The spelling of 68685836 in words is "sixty-eight million, six hundred eighty-five thousand, eight hundred thirty-six".