68234328 has 96 divisors (see below), whose sum is σ = 197879760. Its totient is φ = 21166080.

The previous prime is 68234323. The next prime is 68234329. The reversal of 68234328 is 82343286.

It is a super-2 number, since 2×68234328² = 9311847035223168, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 = 68234292 and 68234301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68234321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130708 + ... + 131228.

Almost surely, 2^68234328 is an apocalyptic number.

68234328 is a gapful number since it is divisible by the number (68) 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 68234328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98939880).

68234328 is an abundant number, since it is smaller than the sum of its proper divisors (129645432).

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

68234328 is a wasteful number, since it uses less digits than its factorization.

68234328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 650 counting only the distinct ones).

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

The square root of 68234328 is about 8260.4072538828. The cubic root of 68234328 is about 408.6338187885.

The spelling of 68234328 in words is "sixty-eight million, two hundred thirty-four thousand, three hundred twenty-eight".