2749667 has 2 divisors, whose sum is σ = 2749668. Its totient is φ = 2749666.

The previous prime is 2749639. The next prime is 2749679. The reversal of 2749667 is 7669472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2749667 - 2¹⁰ = 2748643 is a prime.

It is a super-2 number, since 2×2749667² = 15121337221778, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁹ + 7² + 4⁶ + 9⁶ + 6⁵ + 6⁸ + 7⁴ .

It is not a weakly prime, because it can be changed into another prime (2749687) 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 as a sum of consecutive naturals, namely, 1374833 + 1374834.

It is an arithmetic number, because the mean of its divisors is an integer number (1374834).

2^2749667 is an apocalyptic number.

2749667 is a deficient number, since it is larger than the sum of its proper divisors (1).

2749667 is an equidigital number, since it uses as much as digits as its factorization.

2749667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 2749667 is about 1658.2119888603. The cubic root of 2749667 is about 140.0963112797.

It can be divided in two parts, 27 and 49667, that added together give a palindrome (49694).

The spelling of 2749667 in words is "two million, seven hundred forty-nine thousand, six hundred sixty-seven".