68380 has 24 divisors (see below), whose sum is σ = 155232. Its totient is φ = 25152.

The previous prime is 68371. The next prime is 68389. The reversal of 68380 is 8386.

68380 = T₉₆ + T₉₇ + ... + T₁₀₈.

It is an interprime number because it is at equal distance from previous prime (68371) and next prime (68389).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129 + ... + 391.

It is an arithmetic number, because the mean of its divisors is an integer number (6468).

2⁶⁸³⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77616).

68380 is an abundant number, since it is smaller than the sum of its proper divisors (86852).

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

68380 is a wasteful number, since it uses less digits than its factorization.

68380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 68380 is about 261.4956978614. The cubic root of 68380 is about 40.8924406615.

The spelling of 68380 in words is "sixty-eight thousand, three hundred eighty".