9066640 has 40 divisors (see below), whose sum is σ = 22998528. Its totient is φ = 3296640.

The previous prime is 9066637. The next prime is 9066643. The reversal of 9066640 is 466609.

It is an interprime number because it is at equal distance from previous prime (9066637) and next prime (9066643).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (9066643) 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, 4272 + ... + 6031.

Almost surely, 2^9066640 is an apocalyptic number.

It is an amenable number.

9066640 is an abundant number, since it is smaller than the sum of its proper divisors (13931888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9066640 is a wasteful number, since it uses less digits than its factorization.

9066640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10327 (or 10321 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 9066640 is about 3011.0861827586. The cubic root of 9066640 is about 208.5205158595.

Subtracting from 9066640 its sum of digits (31), we obtain a palindrome (9066609).

The spelling of 9066640 in words is "nine million, sixty-six thousand, six hundred forty".