9090704 has 40 divisors (see below), whose sum is σ = 21010560. Its totient is φ = 3725568.

The previous prime is 9090703. The next prime is 9090749. The reversal of 9090704 is 4070909.

It is not an unprimeable number, because it can be changed into a prime (9090701) 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, 812 + ... + 4340.

It is an arithmetic number, because the mean of its divisors is an integer number (525264).

Almost surely, 2^9090704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9090704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10505280).

9090704 is an abundant number, since it is smaller than the sum of its proper divisors (11919856).

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

9090704 is a wasteful number, since it uses less digits than its factorization.

9090704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567 (or 3561 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 9090704 is about 3015.0794351061. The cubic root of 9090704 is about 208.7048327584.

The spelling of 9090704 in words is "nine million, ninety thousand, seven hundred four".