2740725 has 36 divisors (see below), whose sum is σ = 5292196. Its totient is φ = 1347840.

The previous prime is 2740721. The next prime is 2740733. The reversal of 2740725 is 5270472.

It can be written as a sum of positive squares in 6 ways, for example, as 910116 + 1830609 = 954^2 + 1353^2 .

It is not a de Polignac number, because 2740725 - 2² = 2740721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2457 + ... + 3393.

2^2740725 is an apocalyptic number.

2740725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2740725 is a deficient number, since it is larger than the sum of its proper divisors (2551471).

2740725 is a wasteful number, since it uses less digits than its factorization.

2740725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 2740725 is about 1655.5135154990. The cubic root of 2740725 is about 139.9442805479.

The spelling of 2740725 in words is "two million, seven hundred forty thousand, seven hundred twenty-five".