68079900 has 144 divisors (see below), whose sum is σ = 238484736. Its totient is φ = 14638080.

The previous prime is 68079899. The next prime is 68079919. The reversal of 68079900 is 997086.

It is a congruent 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 47 ways as a sum of consecutive naturals, for example, 34747 + ... + 36653.

It is an arithmetic number, because the mean of its divisors is an integer number (1656144).

Almost surely, 2^68079900 is an apocalyptic number.

68079900 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 68079900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119242368).

68079900 is an abundant number, since it is smaller than the sum of its proper divisors (170404836).

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

68079900 is a wasteful number, since it uses less digits than its factorization.

68079900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1941 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 68079900 is about 8251.0544780652. The cubic root of 68079900 is about 408.3253124437.

The spelling of 68079900 in words is "sixty-eight million, seventy-nine thousand, nine hundred".