2749270 has 16 divisors (see below), whose sum is σ = 5030928. Its totient is φ = 1081440.

The previous prime is 2749247. The next prime is 2749277. The reversal of 2749270 is 729472.

It is a happy number.

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 (2749277) 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 7 ways as a sum of consecutive naturals, for example, 1644 + ... + 2863.

It is an arithmetic number, because the mean of its divisors is an integer number (314433).

2^2749270 is an apocalyptic number.

2749270 is a deficient number, since it is larger than the sum of its proper divisors (2281658).

2749270 is a wasteful number, since it uses less digits than its factorization.

2749270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 2749270 is about 1658.0922772874. The cubic root of 2749270 is about 140.0895685344.

The spelling of 2749270 in words is "two million, seven hundred forty-nine thousand, two hundred seventy".