5637728 has 12 divisors (see below), whose sum is σ = 11099340. Its totient is φ = 2818848.

The previous prime is 5637707. The next prime is 5637733. The reversal of 5637728 is 8277365.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5637691 and 5637700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88058 + ... + 88121.

It is an arithmetic number, because the mean of its divisors is an integer number (924945).

Almost surely, 2^5637728 is an apocalyptic number.

It is an amenable number.

5637728 is a deficient number, since it is larger than the sum of its proper divisors (5461612).

5637728 is a wasteful number, since it uses less digits than its factorization.

5637728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176189 (or 176181 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 5637728 is about 2374.3900269332. The cubic root of 5637728 is about 177.9787038445.

The spelling of 5637728 in words is "five million, six hundred thirty-seven thousand, seven hundred twenty-eight".