1725760 has 28 divisors (see below), whose sum is σ = 4110228. Its totient is φ = 690176.

The previous prime is 1725743. The next prime is 1725767. The reversal of 1725760 is 675271.

1725760 = T₉₆ + T₉₇ + ... + T₂₂₃.

It can be written as a sum of positive squares in 2 ways, for example, as 1218816 + 506944 = 1104^2 + 712^2 .

It is a d-powerful number, because it can be written as 1 + 7⁷ + 2⁹ + 5⁷ + 7⁷ + 6² + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1725767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2377 + ... + 3016.

2^1725760 is an apocalyptic number.

1725760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1725760 is an abundant number, since it is smaller than the sum of its proper divisors (2384468).

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

1725760 is an equidigital number, since it uses as much as digits as its factorization.

1725760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410 (or 5400 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 1725760 is about 1313.6818488508. The cubic root of 1725760 is about 119.9481257269.

It can be divided in two parts, 1725 and 760, that added together give a triangular number (2485 = T₇₀).

The spelling of 1725760 in words is "one million, seven hundred twenty-five thousand, seven hundred sixty".