68605635 has 48 divisors (see below), whose sum is σ = 131853312. Its totient is φ = 30340800.

The previous prime is 68605631. The next prime is 68605639. The reversal of 68605635 is 53650686.

It is an interprime number because it is at equal distance from previous prime (68605631) and next prime (68605639).

It is not a de Polignac number, because 68605635 - 2² = 68605631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68605593 and 68605602.

It is not an unprimeable number, because it can be changed into a prime (68605631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21280 + ... + 24290.

It is an arithmetic number, because the mean of its divisors is an integer number (2746944).

Almost surely, 2^68605635 is an apocalyptic number.

68605635 is a deficient number, since it is larger than the sum of its proper divisors (63247677).

68605635 is a wasteful number, since it uses less digits than its factorization.

68605635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064 (or 3057 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 68605635 is about 8282.8518639415. The cubic root of 68605635 is about 409.3736917776.

The spelling of 68605635 in words is "sixty-eight million, six hundred five thousand, six hundred thirty-five".