67325440 has 240 divisors, whose sum is σ = 211048992. Its totient is φ = 20054016.

The previous prime is 67325413. The next prime is 67325471. The reversal of 67325440 is 4452376.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3960312 + ... + 3960328.

Almost surely, 2^67325440 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 67325440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105524496).

67325440 is an abundant number, since it is smaller than the sum of its proper divisors (143723552).

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

67325440 is a wasteful number, since it uses less digits than its factorization.

67325440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 67325440 is about 8205.2081021751. The cubic root of 67325440 is about 406.8113552455.

The spelling of 67325440 in words is "sixty-seven million, three hundred twenty-five thousand, four hundred forty".