1726741 has 4 divisors (see below), whose sum is σ = 1828332. Its totient is φ = 1625152.

The previous prime is 1726729. The next prime is 1726757. The reversal of 1726741 is 1476271.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1476271 = 157 ⋅9403.

It can be written as a sum of positive squares in 2 ways, for example, as 1164241 + 562500 = 1079^2 + 750^2 .

It is a cyclic number.

It is not a de Polignac number, because 1726741 - 2¹⁷ = 1595669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1726441) 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, 50770 + ... + 50803.

It is an arithmetic number, because the mean of its divisors is an integer number (457083).

2^1726741 is an apocalyptic number.

It is an amenable number.

1726741 is a deficient number, since it is larger than the sum of its proper divisors (101591).

1726741 is a wasteful number, since it uses less digits than its factorization.

1726741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101590.

The product of its digits is 2352, while the sum is 28.

The square root of 1726741 is about 1314.0551738797. The cubic root of 1726741 is about 119.9708494007.

The spelling of 1726741 in words is "one million, seven hundred twenty-six thousand, seven hundred forty-one".