2750669 has 4 divisors (see below), whose sum is σ = 2758944. Its totient is φ = 2742396.

The previous prime is 2750663. The next prime is 2750677. The reversal of 2750669 is 9660572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2750669 - 2⁴ = 2750653 is a prime.

It is a super-2 number, since 2×2750669² = 15132359895122, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2²¹ + 7⁶ + 5⁵ + 0 + 6 + 6⁴ + 9⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2750663) 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 3 ways as a sum of consecutive naturals, for example, 3617 + ... + 4310.

It is an arithmetic number, because the mean of its divisors is an integer number (689736).

2^2750669 is an apocalyptic number.

It is an amenable number.

2750669 is a deficient number, since it is larger than the sum of its proper divisors (8275).

2750669 is an equidigital number, since it uses as much as digits as its factorization.

2750669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8274.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 2750669 is about 1658.5140940010. The cubic root of 2750669 is about 140.1133266075.

Subtracting 2750669 from its reverse (9660572), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 2750669 in words is "two million, seven hundred fifty thousand, six hundred sixty-nine".