5728725 has 72 divisors (see below), whose sum is σ = 11374272. Its totient is φ = 2851200.

The previous prime is 5728721. The next prime is 5728727. The reversal of 5728725 is 5278275.

5728725 is a `hidden beast` number, since 572 + 87 + 2 + 5 = 666.

5728725 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 5728725 - 2² = 5728721 is a prime.

It is a Curzon number.

5728725 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5728725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5728721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 139705 + ... + 139745.

It is an arithmetic number, because the mean of its divisors is an integer number (157976).

Almost surely, 2^5728725 is an apocalyptic number.

It is an amenable number.

5728725 is a deficient number, since it is larger than the sum of its proper divisors (5645547).

5728725 is a wasteful number, since it uses less digits than its factorization.

5728725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 72 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 5728725 is about 2393.4755064550. The cubic root of 5728725 is about 178.9311658598.

It can be divided in two parts, 57 and 28725, that added together give a palindrome (28782).

The spelling of 5728725 in words is "five million, seven hundred twenty-eight thousand, seven hundred twenty-five".