68566763 has 8 divisors (see below), whose sum is σ = 76421520. Its totient is φ = 61136640.

The previous prime is 68566753. The next prime is 68566769. The reversal of 68566763 is 36766586.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68566763 - 2⁴ = 68566747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68566769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105818 + ... + 106463.

It is an arithmetic number, because the mean of its divisors is an integer number (9552690).

Almost surely, 2^68566763 is an apocalyptic number.

68566763 is a deficient number, since it is larger than the sum of its proper divisors (7854757).

68566763 is a wasteful number, since it uses less digits than its factorization.

68566763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212317.

The product of its digits is 1088640, while the sum is 47.

The square root of 68566763 is about 8280.5049966774. The cubic root of 68566763 is about 409.2963600318.

The spelling of 68566763 in words is "sixty-eight million, five hundred sixty-six thousand, seven hundred sixty-three".