5657729 has 8 divisors (see below), whose sum is σ = 7053888. Its totient is φ = 4408560.

The previous prime is 5657711. The next prime is 5657731. The reversal of 5657729 is 9277565.

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 5657729 - 2¹² = 5653633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5657749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36662 + ... + 36815.

It is an arithmetic number, because the mean of its divisors is an integer number (881736).

Almost surely, 2^5657729 is an apocalyptic number.

It is an amenable number.

5657729 is a deficient number, since it is larger than the sum of its proper divisors (1396159).

5657729 is a wasteful number, since it uses less digits than its factorization.

5657729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73495.

The product of its digits is 132300, while the sum is 41.

The square root of 5657729 is about 2378.5981165384. The cubic root of 5657729 is about 178.1889274595.

The spelling of 5657729 in words is "five million, six hundred fifty-seven thousand, seven hundred twenty-nine".