67224132 has 18 divisors (see below), whose sum is σ = 169927758. Its totient is φ = 22408032.

The previous prime is 67224121. The next prime is 67224161. The reversal of 67224132 is 23142276.

It can be written as a sum of positive squares in only one way, i.e., 51494976 + 15729156 = 7176^2 + 3966^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 67224096 and 67224105.

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 5 ways as a sum of consecutive naturals, for example, 933633 + ... + 933704.

It is an arithmetic number, because the mean of its divisors is an integer number (9440431).

Almost surely, 2^67224132 is an apocalyptic number.

It is an amenable number.

67224132 is an abundant number, since it is smaller than the sum of its proper divisors (102703626).

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

67224132 is a wasteful number, since it uses less digits than its factorization.

67224132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867347 (or 1867342 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 67224132 is about 8199.0323819339. The cubic root of 67224132 is about 406.6072029272.

The spelling of 67224132 in words is "sixty-seven million, two hundred twenty-four thousand, one hundred thirty-two".