68796780 has 96 divisors (see below), whose sum is σ = 208979904. Its totient is φ = 16809984.

The previous prime is 68796769. The next prime is 68796797. The reversal of 68796780 is 8769786.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150312 + ... + 150768.

It is an arithmetic number, because the mean of its divisors is an integer number (2176874).

Almost surely, 2^68796780 is an apocalyptic number.

68796780 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68796780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104489952).

68796780 is an abundant number, since it is smaller than the sum of its proper divisors (140183124).

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

68796780 is a wasteful number, since it uses less digits than its factorization.

68796780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 68796780 is about 8294.3824363240. The cubic root of 68796780 is about 409.7535302315.

The spelling of 68796780 in words is "sixty-eight million, seven hundred ninety-six thousand, seven hundred eighty".