5747721 has 16 divisors (see below), whose sum is σ = 8908800. Its totient is φ = 3228048.

The previous prime is 5747701. The next prime is 5747737. The reversal of 5747721 is 1277475.

It is a happy number.

It is not a de Polignac number, because 5747721 - 2⁶ = 5747657 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5747701) 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 15 ways as a sum of consecutive naturals, for example, 1081 + ... + 3558.

It is an arithmetic number, because the mean of its divisors is an integer number (556800).

Almost surely, 2^5747721 is an apocalyptic number.

It is an amenable number.

5747721 is a deficient number, since it is larger than the sum of its proper divisors (3161079).

5747721 is a wasteful number, since it uses less digits than its factorization.

5747721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708.

The product of its digits is 13720, while the sum is 33.

The square root of 5747721 is about 2397.4405102108. The cubic root of 5747721 is about 179.1287215358.

The spelling of 5747721 in words is "five million, seven hundred forty-seven thousand, seven hundred twenty-one".