2750740 has 12 divisors (see below), whose sum is σ = 5776596. Its totient is φ = 1100288.

The previous prime is 2750729. The next prime is 2750743. The reversal of 2750740 is 470572.

2750740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1726596 + 1024144 = 1314^2 + 1012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2750743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68749 + ... + 68788.

It is an arithmetic number, because the mean of its divisors is an integer number (481383).

2^2750740 is an apocalyptic number.

2750740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2750740 is an abundant number, since it is smaller than the sum of its proper divisors (3025856).

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

2750740 is a wasteful number, since it uses less digits than its factorization.

2750740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137546 (or 137544 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 2750740 is about 1658.5354985649. The cubic root of 2750740 is about 140.1145321276.

The spelling of 2750740 in words is "two million, seven hundred fifty thousand, seven hundred forty".