1740401 has 4 divisors (see below), whose sum is σ = 1874292. Its totient is φ = 1606512.

The previous prime is 1740379. The next prime is 1740421. The reversal of 1740401 is 1040471.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1040471 = 43 ⋅24197.

It can be written as a sum of positive squares in 2 ways, for example, as 640000 + 1100401 = 800^2 + 1049^2 .

It is a cyclic number.

It is not a de Polignac number, because 1740401 - 2⁶ = 1740337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1740401.

It is not an unprimeable number, because it can be changed into a prime (1740421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66926 + ... + 66951.

It is an arithmetic number, because the mean of its divisors is an integer number (468573).

2^1740401 is an apocalyptic number.

It is an amenable number.

1740401 is a deficient number, since it is larger than the sum of its proper divisors (133891).

1740401 is a wasteful number, since it uses less digits than its factorization.

1740401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133890.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1740401 is about 1319.2425857286. The cubic root of 1740401 is about 120.2863762137.

Adding to 1740401 its reverse (1040471), we get a palindrome (2780872).

The spelling of 1740401 in words is "one million, seven hundred forty thousand, four hundred one".