1067728 has 10 divisors (see below), whose sum is σ = 2068754. Its totient is φ = 533856.

The previous prime is 1067711. The next prime is 1067741. The reversal of 1067728 is 8277601.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1065024 + 2704 = 1032^2 + 52^2 .

It is a super-2 number, since 2×1067728² = 2280086163968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1067728.

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 as a sum of consecutive naturals, namely, 33351 + ... + 33382.

2^1067728 is an apocalyptic number.

It is an amenable number.

1067728 is a deficient number, since it is larger than the sum of its proper divisors (1001026).

1067728 is an equidigital number, since it uses as much as digits as its factorization.

1067728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66741 (or 66735 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 1067728 is about 1033.3092470311. The cubic root of 1067728 is about 102.2084676585.

The spelling of 1067728 in words is "one million, sixty-seven thousand, seven hundred twenty-eight".