1068629728 has 12 divisors (see below), whose sum is σ = 2103864840. Its totient is φ = 534314848.

The previous prime is 1068629719. The next prime is 1068629759. The reversal of 1068629728 is 8279268601.

It is a super-2 number, since 2×1068629728² = 2283938991130707968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16697308 + ... + 16697371.

It is an arithmetic number, because the mean of its divisors is an integer number (175322070).

Almost surely, 2^1068629728 is an apocalyptic number.

It is an amenable number.

1068629728 is a deficient number, since it is larger than the sum of its proper divisors (1035235112).

1068629728 is an equidigital number, since it uses as much as digits as its factorization.

1068629728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33394689 (or 33394681 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 1068629728 is about 32689.9025388575. The cubic root of 1068629728 is about 1022.3723225781.

The spelling of 1068629728 in words is "one billion, sixty-eight million, six hundred twenty-nine thousand, seven hundred twenty-eight".