68784606 has 64 divisors (see below), whose sum is σ = 170691840. Its totient is φ = 20351520.

The previous prime is 68784581. The next prime is 68784623. The reversal of 68784606 is 60648786.

It is a happy number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 24196 + ... + 26888.

It is an arithmetic number, because the mean of its divisors is an integer number (2667060).

Almost surely, 2^68784606 is an apocalyptic number.

68784606 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 68784606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85345920).

68784606 is an abundant number, since it is smaller than the sum of its proper divisors (101907234).

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

68784606 is a wasteful number, since it uses less digits than its factorization.

68784606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758 (or 2752 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 68784606 is about 8293.6485336672. The cubic root of 68784606 is about 409.7293593631.

The spelling of 68784606 in words is "sixty-eight million, seven hundred eighty-four thousand, six hundred six".