1704420817 has 16 divisors (see below), whose sum is σ = 1888202880. Its totient is φ = 1525507200.

The previous prime is 1704420811. The next prime is 1704420841. The reversal of 1704420817 is 7180244071.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1704420817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1704420811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 880783 + ... + 882715.

It is an arithmetic number, because the mean of its divisors is an integer number (118012680).

Almost surely, 2^1704420817 is an apocalyptic number.

It is an amenable number.

1704420817 is a deficient number, since it is larger than the sum of its proper divisors (183782063).

1704420817 is a wasteful number, since it uses less digits than its factorization.

1704420817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 1704420817 is about 41284.6317290103. The cubic root of 1704420817 is about 1194.5168397418.

Adding to 1704420817 its reverse (7180244071), we get a palindrome (8884664888).

The spelling of 1704420817 in words is "one billion, seven hundred four million, four hundred twenty thousand, eight hundred seventeen".