9069945 has 16 divisors (see below), whose sum is σ = 14643072. Its totient is φ = 4793600.

The previous prime is 9069941. The next prime is 9069961. The reversal of 9069945 is 5499609.

It is a happy number.

9069945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9069945 - 2² = 9069941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9069897 and 9069906.

It is not an unprimeable number, because it can be changed into a prime (9069941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981 + ... + 4370.

It is an arithmetic number, because the mean of its divisors is an integer number (915192).

Almost surely, 2^9069945 is an apocalyptic number.

It is an amenable number.

9069945 is a deficient number, since it is larger than the sum of its proper divisors (5573127).

9069945 is a wasteful number, since it uses less digits than its factorization.

9069945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5472.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 9069945 is about 3011.6349380361. The cubic root of 9069945 is about 208.5458496319.

The spelling of 9069945 in words is "nine million, sixty-nine thousand, nine hundred forty-five".