2425728 has 32 divisors (see below), whose sum is σ = 6444360. Its totient is φ = 808448.

The previous prime is 2425723. The next prime is 2425729. The reversal of 2425728 is 8275242.

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

It is a d-powerful number, because it can be written as 2¹⁶ + 4⁴ + 2¹⁸ + 5⁴ + 7 + 2²¹ + 8 .

It is a junction number, because it is equal to n+sod(n) for n = 2425695 and 2425704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2425723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2775 + ... + 3542.

2^2425728 is an apocalyptic number.

It is an amenable number.

2425728 is an abundant number, since it is smaller than the sum of its proper divisors (4018632).

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

2425728 is an equidigital number, since it uses as much as digits as its factorization.

2425728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334 (or 6322 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 2425728 is about 1557.4748794122. The cubic root of 2425728 is about 134.3633119814.

It can be divided in two parts, 24 and 25728, that added together give a palindrome (25752).

The spelling of 2425728 in words is "two million, four hundred twenty-five thousand, seven hundred twenty-eight".