1069539728 has 20 divisors (see below), whose sum is σ = 2107357680. Its totient is φ = 525705504.

The previous prime is 1069539727. The next prime is 1069539739. The reversal of 1069539728 is 8279359601.

It is a super-2 number, since 2×1069539728² = 2287830459540627968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1069539727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565550 + ... + 567437.

It is an arithmetic number, because the mean of its divisors is an integer number (105367884).

Almost surely, 2^1069539728 is an apocalyptic number.

It is an amenable number.

1069539728 is a deficient number, since it is larger than the sum of its proper divisors (1037817952).

1069539728 is a wasteful number, since it uses less digits than its factorization.

1069539728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133054 (or 1133048 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 1069539728 is about 32703.8182480272. The cubic root of 1069539728 is about 1022.6624432904.

The spelling of 1069539728 in words is "one billion, sixty-nine million, five hundred thirty-nine thousand, seven hundred twenty-eight".