68430528 has 84 divisors (see below), whose sum is σ = 202189080. Its totient is φ = 22695552.

The previous prime is 68430503. The next prime is 68430569. The reversal of 68430528 is 82503486.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 68430492 and 68430501.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343773 + ... + 343971.

Almost surely, 2^68430528 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 68430528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101094540).

68430528 is an abundant number, since it is smaller than the sum of its proper divisors (133758552).

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

68430528 is an equidigital number, since it uses as much as digits as its factorization.

68430528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 68430528 is about 8272.2746569490. The cubic root of 68430528 is about 409.0251039204.

The spelling of 68430528 in words is "sixty-eight million, four hundred thirty thousand, five hundred twenty-eight".