5177728 has 32 divisors (see below), whose sum is σ = 10863000. Its totient is φ = 2451456.

The previous prime is 5177723. The next prime is 5177761. The reversal of 5177728 is 8277715.

It is a tau number, because it is divible by the number of its divisors (32).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5177723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368 + ... + 3496.

Almost surely, 2^5177728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5177728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5431500).

5177728 is an abundant number, since it is smaller than the sum of its proper divisors (5685272).

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

5177728 is a wasteful number, since it uses less digits than its factorization.

5177728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162 (or 2150 counting only the distinct ones).

The product of its digits is 27440, while the sum is 37.

The square root of 5177728 is about 2275.4621508608. The cubic root of 5177728 is about 173.0001225121. Note that the first 3 decimals are identical.

The spelling of 5177728 in words is "five million, one hundred seventy-seven thousand, seven hundred twenty-eight".