7566216 has 64 divisors (see below), whose sum is σ = 22377600. Its totient is φ = 2085888.

The previous prime is 7566211. The next prime is 7566217. The reversal of 7566216 is 6126657.

It is not an unprimeable number, because it can be changed into a prime (7566211) 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, 4096 + ... + 5648.

It is an arithmetic number, because the mean of its divisors is an integer number (349650).

Almost surely, 2^7566216 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 7566216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11188800).

7566216 is an abundant number, since it is smaller than the sum of its proper divisors (14811384).

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

7566216 is a wasteful number, since it uses less digits than its factorization.

7566216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598 (or 1594 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 7566216 is about 2750.6755533868. The cubic root of 7566216 is about 196.3177547436.

The spelling of 7566216 in words is "seven million, five hundred sixty-six thousand, two hundred sixteen".