5628729 has 8 divisors (see below), whose sum is σ = 7522560. Its totient is φ = 3743696.

The previous prime is 5628719. The next prime is 5628739. The reversal of 5628729 is 9278265.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5628719) and next prime (5628739).

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 5628729 - 2⁴ = 5628713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5628719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522 + ... + 3395.

It is an arithmetic number, because the mean of its divisors is an integer number (940320).

Almost surely, 2^5628729 is an apocalyptic number.

It is an amenable number.

5628729 is a deficient number, since it is larger than the sum of its proper divisors (1893831).

5628729 is a wasteful number, since it uses less digits than its factorization.

5628729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399.

The product of its digits is 60480, while the sum is 39.

The square root of 5628729 is about 2372.4942571058. The cubic root of 5628729 is about 177.8839562622.

The spelling of 5628729 in words is "five million, six hundred twenty-eight thousand, seven hundred twenty-nine".