67383472 has 40 divisors (see below), whose sum is σ = 145459440. Its totient is φ = 30024960.

The previous prime is 67383469. The next prime is 67383497. The reversal of 67383472 is 27438376.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 447 + ... + 11617.

It is an arithmetic number, because the mean of its divisors is an integer number (3636486).

Almost surely, 2^67383472 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 67383472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72729720).

67383472 is an abundant number, since it is smaller than the sum of its proper divisors (78075968).

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

67383472 is a wasteful number, since it uses less digits than its factorization.

67383472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11221 (or 11215 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 67383472 is about 8208.7436310315. The cubic root of 67383472 is about 406.9282070463.

The spelling of 67383472 in words is "sixty-seven million, three hundred eighty-three thousand, four hundred seventy-two".