5668728 has 32 divisors (see below), whose sum is σ = 15262800. Its totient is φ = 1744128.

The previous prime is 5668727. The next prime is 5668757. The reversal of 5668728 is 8278665.

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 5668728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5668727) 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, 8773 + ... + 9396.

Almost surely, 2^5668728 is an apocalyptic number.

It is an amenable number.

5668728 is an abundant number, since it is smaller than the sum of its proper divisors (9594072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5668728 is a wasteful number, since it uses less digits than its factorization.

5668728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18191 (or 18187 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 5668728 is about 2380.9090700823. The cubic root of 5668728 is about 178.3043230729.

The spelling of 5668728 in words is "five million, six hundred sixty-eight thousand, seven hundred twenty-eight".