5773661 has 8 divisors (see below), whose sum is σ = 6028344. Its totient is φ = 5524480.

The previous prime is 5773631. The next prime is 5773679. The reversal of 5773661 is 1663775.

5773661 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 4 ways, for example, as 511225 + 5262436 = 715^2 + 2294^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5773661 - 2⁶ = 5773597 is a prime.

It is a super-4 number, since 4×5773661⁴ (a number of 28 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a d-powerful number, because it can be written as 5 + 7³ + 7⁸ + 3⁶ + 6 + 6⁵ + 1 .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5773631) 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 7 ways as a sum of consecutive naturals, for example, 845 + ... + 3501.

It is an arithmetic number, because the mean of its divisors is an integer number (753543).

Almost surely, 2^5773661 is an apocalyptic number.

It is an amenable number.

5773661 is a deficient number, since it is larger than the sum of its proper divisors (254683).

5773661 is a wasteful number, since it uses less digits than its factorization.

5773661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751.

The product of its digits is 26460, while the sum is 35.

The square root of 5773661 is about 2402.8443561746. The cubic root of 5773661 is about 179.3977920267.

The spelling of 5773661 in words is "five million, seven hundred seventy-three thousand, six hundred sixty-one".