1724479 has 4 divisors (see below), whose sum is σ = 1748176. Its totient is φ = 1700784.

The previous prime is 1724473. The next prime is 1724483. The reversal of 1724479 is 9744271.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9744271 = 1123 ⋅8677.

It is a cyclic number.

It is not a de Polignac number, because 1724479 - 2⁵ = 1724447 is a prime.

It is a Duffinian number.

1724479 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1724473) 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, 11739 + ... + 11884.

It is an arithmetic number, because the mean of its divisors is an integer number (437044).

2^1724479 is an apocalyptic number.

1724479 is a deficient number, since it is larger than the sum of its proper divisors (23697).

1724479 is an equidigital number, since it uses as much as digits as its factorization.

1724479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23696.

The product of its digits is 14112, while the sum is 34.

The square root of 1724479 is about 1313.1941973676. The cubic root of 1724479 is about 119.9184399492.

The spelling of 1724479 in words is "one million, seven hundred twenty-four thousand, four hundred seventy-nine".