10669749 has 4 divisors (see below), whose sum is σ = 14226336. Its totient is φ = 7113164.

The previous prime is 10669739. The next prime is 10669751. The reversal of 10669749 is 94796601.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94796601 = 3 ⋅31598867.

It is a cyclic number.

It is not a de Polignac number, because 10669749 - 2¹⁶ = 10604213 is a prime.

It is a super-2 number, since 2×10669749² = 227687087446002, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10669749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10669739) 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, 1778289 + ... + 1778294.

It is an arithmetic number, because the mean of its divisors is an integer number (3556584).

Almost surely, 2^10669749 is an apocalyptic number.

It is an amenable number.

10669749 is a deficient number, since it is larger than the sum of its proper divisors (3556587).

10669749 is an equidigital number, since it uses as much as digits as its factorization.

10669749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556586.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 10669749 is about 3266.4581736186. The cubic root of 10669749 is about 220.1496846351.

The spelling of 10669749 in words is "ten million, six hundred sixty-nine thousand, seven hundred forty-nine".