68428230 has 64 divisors (see below), whose sum is σ = 187282368. Its totient is φ = 15851520.

The previous prime is 68428223. The next prime is 68428267. The reversal of 68428230 is 3282486.

It is a junction number, because it is equal to n+sod(n) for n = 68428191 and 68428200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1470 + ... + 11790.

It is an arithmetic number, because the mean of its divisors is an integer number (2926287).

Almost surely, 2^68428230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68428230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93641184).

68428230 is an abundant number, since it is smaller than the sum of its proper divisors (118854138).

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

68428230 is a wasteful number, since it uses less digits than its factorization.

68428230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10361.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 68428230 is about 8272.1357580736. The cubic root of 68428230 is about 409.0205253098.

The spelling of 68428230 in words is "sixty-eight million, four hundred twenty-eight thousand, two hundred thirty".