67144484 has 24 divisors (see below), whose sum is σ = 128908416. Its totient is φ = 30348000.

The previous prime is 67144477. The next prime is 67144513. The reversal of 67144484 is 48444176.

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, 3749 + ... + 12179.

It is an arithmetic number, because the mean of its divisors is an integer number (5371184).

Almost surely, 2^67144484 is an apocalyptic number.

It is an amenable number.

67144484 is a deficient number, since it is larger than the sum of its proper divisors (61763932).

67144484 is a wasteful number, since it uses less digits than its factorization.

67144484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8627 (or 8625 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The square root of 67144484 is about 8194.1737838540. The cubic root of 67144484 is about 406.4465550161.

The spelling of 67144484 in words is "sixty-seven million, one hundred forty-four thousand, four hundred eighty-four".