67648328 has 32 divisors (see below), whose sum is σ = 139484160. Its totient is φ = 30502080.

The previous prime is 67648309. The next prime is 67648337. The reversal of 67648328 is 82384676.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8150 + ... + 14202.

It is an arithmetic number, because the mean of its divisors is an integer number (4358880).

Almost surely, 2^67648328 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 67648328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69742080).

67648328 is an abundant number, since it is smaller than the sum of its proper divisors (71835832).

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

67648328 is a wasteful number, since it uses less digits than its factorization.

67648328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6197 (or 6193 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 67648328 is about 8224.8603635563. The cubic root of 67648328 is about 407.4606644004.

It can be divided in two parts, 67648 and 328, that added together give a palindrome (67976).

The spelling of 67648328 in words is "sixty-seven million, six hundred forty-eight thousand, three hundred twenty-eight".