1068728 has 16 divisors (see below), whose sum is σ = 2024880. Its totient is φ = 528768.

The previous prime is 1068721. The next prime is 1068751. The reversal of 1068728 is 8278601.

It is a super-2 number, since 2×1068728² = 2284359075968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1068694 and 1068703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176 + ... + 1472.

It is an arithmetic number, because the mean of its divisors is an integer number (126555).

2^1068728 is an apocalyptic number.

It is an amenable number.

1068728 is a deficient number, since it is larger than the sum of its proper divisors (956152).

1068728 is a wasteful number, since it uses less digits than its factorization.

1068728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406 (or 1402 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 1068728 is about 1033.7930160337. The cubic root of 1068728 is about 102.2403660995.

The spelling of 1068728 in words is "one million, sixty-eight thousand, seven hundred twenty-eight".