1712425728 has 72 divisors (see below), whose sum is σ = 4908159088. Its totient is φ = 526897152.

The previous prime is 1712425723. The next prime is 1712425747. The reversal of 1712425728 is 8275242171.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1712425723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75775 + ... + 95742.

Almost surely, 2^1712425728 is an apocalyptic number.

It is an amenable number.

1712425728 is an abundant number, since it is smaller than the sum of its proper divisors (3195733360).

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

1712425728 is a wasteful number, since it uses less digits than its factorization.

1712425728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171549 (or 171535 counting only the distinct ones).

The product of its digits is 62720, while the sum is 39.

The square root of 1712425728 is about 41381.4659962646. The cubic root of 1712425728 is about 1196.3839589286.

Adding to 1712425728 its reverse (8275242171), we get a palindrome (9987667899).

The spelling of 1712425728 in words is "one billion, seven hundred twelve million, four hundred twenty-five thousand, seven hundred twenty-eight".