1725680 has 80 divisors (see below), whose sum is σ = 4580064. Its totient is φ = 599040.

The previous prime is 1725671. The next prime is 1725683. The reversal of 1725680 is 865271.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1725683) 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, 32534 + ... + 32586.

2^1725680 is an apocalyptic number.

1725680 is a gapful number since it is divisible by the number (10) 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 1725680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2290032).

1725680 is an abundant number, since it is smaller than the sum of its proper divisors (2854384).

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

1725680 is a wasteful number, since it uses less digits than its factorization.

1725680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1725680 is about 1313.6513997252. The cubic root of 1725680 is about 119.9462722443.

The spelling of 1725680 in words is "one million, seven hundred twenty-five thousand, six hundred eighty".