9070909 has 4 divisors (see below), whose sum is σ = 9123516. Its totient is φ = 9018304.

The previous prime is 9070891. The next prime is 9070913. The reversal of 9070909 is 9090709.

9070909 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 9090709 = 109 ⋅83401.

It can be written as a sum of positive squares in 2 ways, for example, as 7812025 + 1258884 = 2795^2 + 1122^2 .

It is a cyclic number.

It is not a de Polignac number, because 9070909 - 2¹¹ = 9068861 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

9070909 is a modest number, since divided by 909 gives 907 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9070409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26044 + ... + 26389.

It is an arithmetic number, because the mean of its divisors is an integer number (2280879).

Almost surely, 2^9070909 is an apocalyptic number.

It is an amenable number.

9070909 is a deficient number, since it is larger than the sum of its proper divisors (52607).

9070909 is a wasteful number, since it uses less digits than its factorization.

9070909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52606.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 9070909 is about 3011.7949797421. The cubic root of 9070909 is about 208.5532378089.

The spelling of 9070909 in words is "nine million, seventy thousand, nine hundred nine".