68011380 has 192 divisors, whose sum is σ = 226195200. Its totient is φ = 16934400.

The previous prime is 68011379. The next prime is 68011403. The reversal of 68011380 is 8311086.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 673330 + ... + 673430.

It is an arithmetic number, because the mean of its divisors is an integer number (1178100).

Almost surely, 2^68011380 is an apocalyptic number.

68011380 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 68011380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113097600).

68011380 is an abundant number, since it is smaller than the sum of its proper divisors (158183820).

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

68011380 is a wasteful number, since it uses less digits than its factorization.

68011380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 68011380 is about 8246.9012362220. The cubic root of 68011380 is about 408.1882781546.

The spelling of 68011380 in words is "sixty-eight million, eleven thousand, three hundred eighty".