4427704681 has 3 divisors (see below), whose sum is σ = 4427771223. Its totient is φ = 4427638140.

The previous prime is 4427704663. The next prime is 4427704693. The reversal of 4427704681 is 1864077244.

The square root of 4427704681 is 66541.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3905125081 + 522579600 = 62491^2 + 22860^2 .

It is not a de Polignac number, because 4427704681 - 2⁵ = 4427704649 is a prime.

It is a super-2 number, since 2×4427704681² = 39209137484298623522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4427702681) 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 2 ways as a sum of consecutive naturals, for example, 33271 + ... + 99811.

It is an arithmetic number, because the mean of its divisors is an integer number (1475923741).

Almost surely, 2^4427704681 is an apocalyptic number.

4427704681 is the 66541-st square number.

4427704681 is the 33271-st centered octagonal number.

It is an amenable number.

4427704681 is a deficient number, since it is larger than the sum of its proper divisors (66542).

4427704681 is an frugal number, since it uses more digits than its factorization.

4427704681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133082 (or 66541 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 43.

The cubic root of 4427704681 is about 1642.0745955598.

The spelling of 4427704681 in words is "four billion, four hundred twenty-seven million, seven hundred four thousand, six hundred eighty-one".