68432328 has 96 divisors (see below), whose sum is σ = 192067200. Its totient is φ = 21999744.

The previous prime is 68432311. The next prime is 68432339. The reversal of 68432328 is 82323486.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 68432292 and 68432301.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301351 + ... + 301577.

It is an arithmetic number, because the mean of its divisors is an integer number (2000700).

Almost surely, 2^68432328 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 68432328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96033600).

68432328 is an abundant number, since it is smaller than the sum of its proper divisors (123634872).

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

68432328 is a wasteful number, since it uses less digits than its factorization.

68432328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 364 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 68432328 is about 8272.3834533948. The cubic root of 68432328 is about 409.0286902278.

The spelling of 68432328 in words is "sixty-eight million, four hundred thirty-two thousand, three hundred twenty-eight".