2745270 has 96 divisors (see below), whose sum is σ = 8087040. Its totient is φ = 640320.

The previous prime is 2745269. The next prime is 2745277. The reversal of 2745270 is 725472.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745277) 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 47 ways as a sum of consecutive naturals, for example, 46501 + ... + 46559.

It is an arithmetic number, because the mean of its divisors is an integer number (84240).

2^2745270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2745270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4043520).

2745270 is an abundant number, since it is smaller than the sum of its proper divisors (5341770).

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

2745270 is a wasteful number, since it uses less digits than its factorization.

2745270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 127 counting only the distinct ones).

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

The square root of 2745270 is about 1656.8856327460. The cubic root of 2745270 is about 140.0215953082.

The spelling of 2745270 in words is "two million, seven hundred forty-five thousand, two hundred seventy".