68833380 has 192 divisors, whose sum is σ = 246177792. Its totient is φ = 13954560.

The previous prime is 68833367. The next prime is 68833397. The reversal of 68833380 is 8333886.

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, 216982 + ... + 217298.

It is an arithmetic number, because the mean of its divisors is an integer number (1282176).

Almost surely, 2^68833380 is an apocalyptic number.

68833380 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 68833380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123088896).

68833380 is an abundant number, since it is smaller than the sum of its proper divisors (177344412).

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

68833380 is a wasteful number, since it uses less digits than its factorization.

68833380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 68833380 is about 8296.5884555039. The cubic root of 68833380 is about 409.8261805334.

The spelling of 68833380 in words is "sixty-eight million, eight hundred thirty-three thousand, three hundred eighty".