68680860 has 24 divisors (see below), whose sum is σ = 192306576. Its totient is φ = 18314880.

The previous prime is 68680853. The next prime is 68680861. The reversal of 68680860 is 6808686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68680861) 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, 572281 + ... + 572400.

It is an arithmetic number, because the mean of its divisors is an integer number (8012774).

Almost surely, 2^68680860 is an apocalyptic number.

68680860 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68680860 is an abundant number, since it is smaller than the sum of its proper divisors (123625716).

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

68680860 is a wasteful number, since it uses less digits than its factorization.

68680860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144693 (or 1144691 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 68680860 is about 8287.3916282507. The cubic root of 68680860 is about 409.5232610627.

The spelling of 68680860 in words is "sixty-eight million, six hundred eighty thousand, eight hundred sixty".