68766786 has 32 divisors (see below), whose sum is σ = 166708800. Its totient is φ = 20838240.

The previous prime is 68766769. The next prime is 68766823.

68766786 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 57291 + ... + 58478.

It is an arithmetic number, because the mean of its divisors is an integer number (5209650).

Almost surely, 2^68766786 is an apocalyptic number.

68766786 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

68766786 is an abundant number, since it is smaller than the sum of its proper divisors (97942014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68766786 is a wasteful number, since it uses less digits than its factorization.

68766786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115791 (or 115785 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 68766786 is about 8292.5741479953. The cubic root of 68766786 is about 409.6939735008.

The spelling of 68766786 in words is "sixty-eight million, seven hundred sixty-six thousand, seven hundred eighty-six".