67968324 has 36 divisors (see below), whose sum is σ = 176003100. Its totient is φ = 22103040.

The previous prime is 67968323. The next prime is 67968331. The reversal of 67968324 is 42386976.

It can be written as a sum of positive squares in 2 ways, for example, as 1871424 + 66096900 = 1368^2 + 8130^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 67968324.

It is not an unprimeable number, because it can be changed into a prime (67968323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21549 + ... + 24500.

It is an arithmetic number, because the mean of its divisors is an integer number (4888975).

Almost surely, 2^67968324 is an apocalyptic number.

It is an amenable number.

67968324 is an abundant number, since it is smaller than the sum of its proper divisors (108034776).

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

67968324 is a wasteful number, since it uses less digits than its factorization.

67968324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46100 (or 46095 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 67968324 is about 8244.2903878988. The cubic root of 67968324 is about 408.1021226487.

The spelling of 67968324 in words is "sixty-seven million, nine hundred sixty-eight thousand, three hundred twenty-four".