9069749 has 4 divisors (see below), whose sum is σ = 9767436. Its totient is φ = 8372064.

The previous prime is 9069727. The next prime is 9069761. The reversal of 9069749 is 9479609.

9069749 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3276100 + 5793649 = 1810^2 + 2407^2 .

It is a cyclic number.

It is not a de Polignac number, because 9069749 - 2¹² = 9065653 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9069799) 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, 348824 + ... + 348849.

It is an arithmetic number, because the mean of its divisors is an integer number (2441859).

Almost surely, 2^9069749 is an apocalyptic number.

It is an amenable number.

9069749 is a deficient number, since it is larger than the sum of its proper divisors (697687).

9069749 is a wasteful number, since it uses less digits than its factorization.

9069749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697686.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 9069749 is about 3011.6023973958. The cubic root of 9069749 is about 208.5443474074.

The spelling of 9069749 in words is "nine million, sixty-nine thousand, seven hundred forty-nine".