68832840 has 64 divisors (see below), whose sum is σ = 208540800. Its totient is φ = 18173952.

The previous prime is 68832823. The next prime is 68832851. The reversal of 68832840 is 4823886.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9576 + ... + 15144.

It is an arithmetic number, because the mean of its divisors is an integer number (3258450).

Almost surely, 2^68832840 is an apocalyptic number.

68832840 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 68832840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104270400).

68832840 is an abundant number, since it is smaller than the sum of its proper divisors (139707960).

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

68832840 is a wasteful number, since it uses less digits than its factorization.

68832840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5686 (or 5682 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 68832840 is about 8296.5559119432. Note that the first 3 decimals coincide. The cubic root of 68832840 is about 409.8251088309.

The spelling of 68832840 in words is "sixty-eight million, eight hundred thirty-two thousand, eight hundred forty".