1726725 has 96 divisors (see below), whose sum is σ = 3999744. Its totient is φ = 633600.

The previous prime is 1726693. The next prime is 1726729. The reversal of 1726725 is 5276271.

1726725 = T₆₆ + T₆₇ + ... + T₂₁₉.

It is not a de Polignac number, because 1726725 - 2⁵ = 1726693 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1726692 and 1726701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1726729) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 75064 + ... + 75086.

It is an arithmetic number, because the mean of its divisors is an integer number (41664).

2^1726725 is an apocalyptic number.

1726725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1726725 is the 759-th octagonal number.

It is an amenable number.

1726725 is an abundant number, since it is smaller than the sum of its proper divisors (2273019).

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

1726725 is a wasteful number, since it uses less digits than its factorization.

1726725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 62 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 1726725 is about 1314.0490858412. The cubic root of 1726725 is about 119.9704788492.

The spelling of 1726725 in words is "one million, seven hundred twenty-six thousand, seven hundred twenty-five".