1724481 has 12 divisors (see below), whose sum is σ = 2717520. Its totient is φ = 1045080.

The previous prime is 1724473. The next prime is 1724483. The reversal of 1724481 is 1844271.

It is not a de Polignac number, because 1724481 - 2³ = 1724473 is a prime.

It is a super-2 number, since 2×1724481² = 5947669438722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1724483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8611 + ... + 8808.

It is an arithmetic number, because the mean of its divisors is an integer number (226460).

2^1724481 is an apocalyptic number.

1724481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1724481 is a deficient number, since it is larger than the sum of its proper divisors (993039).

1724481 is a wasteful number, since it uses less digits than its factorization.

1724481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17436 (or 17433 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 1724481 is about 1313.1949588694. The cubic root of 1724481 is about 119.9184863085.

The spelling of 1724481 in words is "one million, seven hundred twenty-four thousand, four hundred eighty-one".