2749090 has 8 divisors (see below), whose sum is σ = 4948380. Its totient is φ = 1099632.

The previous prime is 2749081. The next prime is 2749093. The reversal of 2749090 is 909472.

2749090 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 2712609 + 36481 = 1647^2 + 191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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

It is not an unprimeable number, because it can be changed into a prime (2749093) 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, 137445 + ... + 137464.

2^2749090 is an apocalyptic number.

2749090 is a deficient number, since it is larger than the sum of its proper divisors (2199290).

2749090 is a wasteful number, since it uses less digits than its factorization.

2749090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274916.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2749090 is about 1658.0379971521. The cubic root of 2749090 is about 140.0865111564.

The spelling of 2749090 in words is "two million, seven hundred forty-nine thousand, ninety".