68516763 has 16 divisors (see below), whose sum is σ = 108007680. Its totient is φ = 37802016.

The previous prime is 68516761. The next prime is 68516801. The reversal of 68516763 is 36761586.

It is not a de Polignac number, because 68516763 - 2¹ = 68516761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68516761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55645 + ... + 56862.

It is an arithmetic number, because the mean of its divisors is an integer number (6750480).

Almost surely, 2^68516763 is an apocalyptic number.

68516763 is a deficient number, since it is larger than the sum of its proper divisors (39490917).

68516763 is a wasteful number, since it uses less digits than its factorization.

68516763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112546.

The product of its digits is 181440, while the sum is 42.

The square root of 68516763 is about 8277.4853065409. The cubic root of 68516763 is about 409.1968473158.

The spelling of 68516763 in words is "sixty-eight million, five hundred sixteen thousand, seven hundred sixty-three".