10749409 has 8 divisors (see below), whose sum is σ = 11793600. Its totient is φ = 9716400.

The previous prime is 10749391. The next prime is 10749433. The reversal of 10749409 is 90494701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10749409 - 2⁹ = 10748897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10749449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709 + ... + 4690.

It is an arithmetic number, because the mean of its divisors is an integer number (1474200).

Almost surely, 2^10749409 is an apocalyptic number.

It is an amenable number.

10749409 is a deficient number, since it is larger than the sum of its proper divisors (1044191).

10749409 is a wasteful number, since it uses less digits than its factorization.

10749409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 10749409 is about 3278.6291342572. The cubic root of 10749409 is about 220.6962035876.

The spelling of 10749409 in words is "ten million, seven hundred forty-nine thousand, four hundred nine".