2745725 has 6 divisors (see below), whose sum is σ = 3404730. Its totient is φ = 2196560.

The previous prime is 2745719. The next prime is 2745731. The reversal of 2745725 is 5275472.

It is an interprime number because it is at equal distance from previous prime (2745719) and next prime (2745731).

It can be written as a sum of positive squares in 3 ways, for example, as 98596 + 2647129 = 314^2 + 1627^2 .

It is not a de Polignac number, because 2745725 - 2⁶ = 2745661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2745691 and 2745700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54890 + ... + 54939.

It is an arithmetic number, because the mean of its divisors is an integer number (567455).

2^2745725 is an apocalyptic number.

2745725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2745725 is a deficient number, since it is larger than the sum of its proper divisors (659005).

2745725 is a wasteful number, since it uses less digits than its factorization.

2745725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109839 (or 109834 counting only the distinct ones).

The product of its digits is 19600, while the sum is 32.

The square root of 2745725 is about 1657.0229328528. The cubic root of 2745725 is about 140.0293305894.

The spelling of 2745725 in words is "two million, seven hundred forty-five thousand, seven hundred twenty-five".