67228326 has 48 divisors (see below), whose sum is σ = 164228400. Its totient is φ = 20370240.

The previous prime is 67228313. The next prime is 67228349. The reversal of 67228326 is 62382276.

It is a Curzon number.

It is a congruent number.

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, 1390 + ... + 11678.

It is an arithmetic number, because the mean of its divisors is an integer number (3421425).

Almost surely, 2^67228326 is an apocalyptic number.

67228326 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 67228326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82114200).

67228326 is an abundant number, since it is smaller than the sum of its proper divisors (97000074).

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

67228326 is a wasteful number, since it uses less digits than its factorization.

67228326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10322 (or 10305 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 67228326 is about 8199.2881398326. The cubic root of 67228326 is about 406.6156585968.

The spelling of 67228326 in words is "sixty-seven million, two hundred twenty-eight thousand, three hundred twenty-six".