10749689 has 4 divisors (see below), whose sum is σ = 10848420. Its totient is φ = 10650960.

The previous prime is 10749679. The next prime is 10749703. The reversal of 10749689 is 98694701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98694701 = 7 ⋅14099243.

It can be written as a sum of positive squares in 2 ways, for example, as 9765625 + 984064 = 3125^2 + 992^2 .

It is a cyclic number.

It is not a de Polignac number, because 10749689 - 2⁸ = 10749433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10749659) 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, 49202 + ... + 49419.

It is an arithmetic number, because the mean of its divisors is an integer number (2712105).

Almost surely, 2^10749689 is an apocalyptic number.

It is an amenable number.

10749689 is a deficient number, since it is larger than the sum of its proper divisors (98731).

10749689 is an equidigital number, since it uses as much as digits as its factorization.

10749689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98730.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 10749689 is about 3278.6718347526. The cubic root of 10749689 is about 220.6981197984.

The spelling of 10749689 in words is "ten million, seven hundred forty-nine thousand, six hundred eighty-nine".