10749609 has 24 divisors (see below), whose sum is σ = 16947840. Its totient is φ = 6525792.

The previous prime is 10749601. The next prime is 10749617. The reversal of 10749609 is 90694701.

10749609 is a `hidden beast` number, since 1 + 0 + 7 + 49 + 609 = 666.

It is an interprime number because it is at equal distance from previous prime (10749601) and next prime (10749617).

It is not a de Polignac number, because 10749609 - 2³ = 10749601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10749601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8662 + ... + 9824.

It is an arithmetic number, because the mean of its divisors is an integer number (706160).

Almost surely, 2^10749609 is an apocalyptic number.

It is an amenable number.

10749609 is a deficient number, since it is larger than the sum of its proper divisors (6198231).

10749609 is a wasteful number, since it uses less digits than its factorization.

10749609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 10749609 is about 3278.6596346678. The cubic root of 10749609 is about 220.6975723130.

The spelling of 10749609 in words is "ten million, seven hundred forty-nine thousand, six hundred nine".