2749687 has 2 divisors, whose sum is σ = 2749688. Its totient is φ = 2749686.

The previous prime is 2749679. The next prime is 2749709. The reversal of 2749687 is 7869472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2749687 - 2³ = 2749679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2749667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374843 + 1374844.

It is an arithmetic number, because the mean of its divisors is an integer number (1374844).

2^2749687 is an apocalyptic number.

2749687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2749687 is an equidigital number, since it uses as much as digits as its factorization.

2749687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 43.

The square root of 2749687 is about 1658.2180194414. The cubic root of 2749687 is about 140.0966509474.

The spelling of 2749687 in words is "two million, seven hundred forty-nine thousand, six hundred eighty-seven".