2745330 has 64 divisors (see below), whose sum is σ = 7983360. Its totient is φ = 589824.

The previous prime is 2745307. The next prime is 2745361. The reversal of 2745330 is 335472.

It is a self number, because there is not a number n which added to its sum of digits gives 2745330.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3186 + ... + 3954.

It is an arithmetic number, because the mean of its divisors is an integer number (124740).

2^2745330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2745330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3991680).

2745330 is an abundant number, since it is smaller than the sum of its proper divisors (5238030).

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

2745330 is a wasteful number, since it uses less digits than its factorization.

2745330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 2745330 is about 1656.9037389058. The cubic root of 2745330 is about 140.0226153942.

The spelling of 2745330 in words is "two million, seven hundred forty-five thousand, three hundred thirty".