2725214528 has 56 divisors (see below), whose sum is σ = 5510067720. Its totient is φ = 1336965120.

The previous prime is 2725214519. The next prime is 2725214533. The reversal of 2725214528 is 8254125272.

It can be written as a sum of positive squares in 4 ways, for example, as 12054784 + 2713159744 = 3472^2 + 52088^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2725214491 and 2725214500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2548778 + ... + 2549846.

Almost surely, 2^2725214528 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 2725214528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2755033860).

2725214528 is an abundant number, since it is smaller than the sum of its proper divisors (2784853192).

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

2725214528 is a wasteful number, since it uses less digits than its factorization.

2725214528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795 (or 1785 counting only the distinct ones).

The product of its digits is 89600, while the sum is 38.

The square root of 2725214528 is about 52203.5873096859. The cubic root of 2725214528 is about 1396.7978734101.

The spelling of 2725214528 in words is "two billion, seven hundred twenty-five million, two hundred fourteen thousand, five hundred twenty-eight".