1725689896 has 128 divisors (see below), whose sum is σ = 4062412800. Its totient is φ = 670602240.

The previous prime is 1725689887. The next prime is 1725689923. The reversal of 1725689896 is 6989865271.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3726961 + ... + 3727423.

It is an arithmetic number, because the mean of its divisors is an integer number (31737600).

Almost surely, 2^1725689896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1725689896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2031206400).

1725689896 is an abundant number, since it is smaller than the sum of its proper divisors (2336722904).

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

1725689896 is a wasteful number, since it uses less digits than its factorization.

1725689896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 635 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 61.

The square root of 1725689896 is about 41541.4238561944. The cubic root of 1725689896 is about 1199.4650152319.

The spelling of 1725689896 in words is "one billion, seven hundred twenty-five million, six hundred eighty-nine thousand, eight hundred ninety-six".