68308835 has 16 divisors (see below), whose sum is σ = 94737600. Its totient is φ = 46311936.

The previous prime is 68308787. The next prime is 68308847. The reversal of 68308835 is 53880386.

It is a cyclic number.

It is not a de Polignac number, because 68308835 - 2⁸ = 68308579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68308792 and 68308801.

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, 7850 + ... + 14079.

It is an arithmetic number, because the mean of its divisors is an integer number (5921100).

Almost surely, 2^68308835 is an apocalyptic number.

68308835 is a deficient number, since it is larger than the sum of its proper divisors (26428765).

68308835 is a wasteful number, since it uses less digits than its factorization.

68308835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22030.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 68308835 is about 8264.9159100380. The cubic root of 68308835 is about 408.7824976422.

The spelling of 68308835 in words is "sixty-eight million, three hundred eight thousand, eight hundred thirty-five".