1764000001 has 4 divisors (see below), whose sum is σ = 1766606292. Its totient is φ = 1761393712.

The previous prime is 1763999989. The next prime is 1764000011. The reversal of 1764000001 is 1000004671.

It is a happy number.

It is a Cunningham number, because it is equal to 42000²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1000004671 = 2579 ⋅387749.

It can be written as a sum of positive squares in 2 ways, for example, as 1753599376 + 10400625 = 41876^2 + 3225^2 .

It is a cyclic number.

It is not a de Polignac number, because 1764000001 - 2¹¹ = 1763997953 is a prime.

It is a super-2 number, since 2×1764000001² = 6223392007056000002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1764000011) 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, 1302130 + ... + 1303483.

It is an arithmetic number, because the mean of its divisors is an integer number (441651573).

Almost surely, 2^1764000001 is an apocalyptic number.

It is an amenable number.

1764000001 is a deficient number, since it is larger than the sum of its proper divisors (2606291).

1764000001 is an equidigital number, since it uses as much as digits as its factorization.

1764000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606290.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1764000001 is about 42000.0000119048. Note that the first 4 decimals coincide. The cubic root of 1764000001 is about 1208.2761238244.

Adding to 1764000001 its reverse (1000004671), we get a palindrome (2764004672).

The spelling of 1764000001 in words is "one billion, seven hundred sixty-four million, one", and thus it is an aban number.