1069728432 has 80 divisors (see below), whose sum is σ = 2826069120. Its totient is φ = 348581376.

The previous prime is 1069728431. The next prime is 1069728463. The reversal of 1069728432 is 2348279601.

1069728432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1069728432² = 2288637836458357248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1069728431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445828 + ... + 448220.

It is an arithmetic number, because the mean of its divisors is an integer number (35325864).

Almost surely, 2^1069728432 is an apocalyptic number.

1069728432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1069728432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1413034560).

1069728432 is an abundant number, since it is smaller than the sum of its proper divisors (1756340688).

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

1069728432 is a wasteful number, since it uses less digits than its factorization.

1069728432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610 (or 2604 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1069728432 is about 32706.7031661707. The cubic root of 1069728432 is about 1022.7225841592.

The spelling of 1069728432 in words is "one billion, sixty-nine million, seven hundred twenty-eight thousand, four hundred thirty-two".