7089664 has 40 divisors (see below), whose sum is σ = 14461128. Its totient is φ = 3471360.

The previous prime is 7089661. The next prime is 7089673. The reversal of 7089664 is 4669807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7089661) 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, 31119 + ... + 31345.

Almost surely, 2^7089664 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 7089664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7230564).

7089664 is an abundant number, since it is smaller than the sum of its proper divisors (7371464).

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

7089664 is an equidigital number, since it uses as much as digits as its factorization.

7089664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 7089664 is about 2662.6422966670. The cubic root of 7089664 is about 192.1064224823.

The spelling of 7089664 in words is "seven million, eighty-nine thousand, six hundred sixty-four".