1728069552 has 200 divisors, whose sum is σ = 5585088960. Its totient is φ = 511297920.

The previous prime is 1728069547. The next prime is 1728069559. The reversal of 1728069552 is 2559608271.

1728069552 is a `hidden beast` number, since 17 + 2 + 80 + 6 + 9 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1728069498 and 1728069507.

It is not an unprimeable number, because it can be changed into a prime (1728069559) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 611599 + ... + 614417.

Almost surely, 2^1728069552 is an apocalyptic number.

1728069552 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 1728069552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2792544480).

1728069552 is an abundant number, since it is smaller than the sum of its proper divisors (3857019408).

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

1728069552 is a wasteful number, since it uses less digits than its factorization.

1728069552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893 (or 2878 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 1728069552 is about 41570.0559537752. The cubic root of 1728069552 is about 1200.0160997840.

The spelling of 1728069552 in words is "one billion, seven hundred twenty-eight million, sixty-nine thousand, five hundred fifty-two".