7286656 has 64 divisors (see below), whose sum is σ = 16279200. Its totient is φ = 3225600.

The previous prime is 7286621. The next prime is 7286681. The reversal of 7286656 is 6566827.

It is a tau number, because it is divible by the number of its divisors (64).

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48181 + ... + 48331.

Almost surely, 2^7286656 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 7286656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8139600).

7286656 is an abundant number, since it is smaller than the sum of its proper divisors (8992544).

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

7286656 is a wasteful number, since it uses less digits than its factorization.

7286656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 195 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 7286656 is about 2699.3806697093. The cubic root of 7286656 is about 193.8694697100.

The spelling of 7286656 in words is "seven million, two hundred eighty-six thousand, six hundred fifty-six".