7215606 has 48 divisors (see below), whose sum is σ = 16904160. Its totient is φ = 2217600.

The previous prime is 7215601. The next prime is 7215643. The reversal of 7215606 is 6065127.

It is a self number, because there is not a number n which added to its sum of digits gives 7215606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7215601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11706 + ... + 12306.

It is an arithmetic number, because the mean of its divisors is an integer number (352170).

Almost surely, 2^7215606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7215606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8452080).

7215606 is an abundant number, since it is smaller than the sum of its proper divisors (9688554).

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

7215606 is a wasteful number, since it uses less digits than its factorization.

7215606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 7215606 is about 2686.1880053340. The cubic root of 7215606 is about 193.2372894601.

The spelling of 7215606 in words is "seven million, two hundred fifteen thousand, six hundred six".