7206816 has 48 divisors (see below), whose sum is σ = 19389888. Its totient is φ = 2342400.

The previous prime is 7206811. The next prime is 7206817. The reversal of 7206816 is 6186027.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (7206811) 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, 3021 + ... + 4851.

It is an arithmetic number, because the mean of its divisors is an integer number (403956).

Almost surely, 2^7206816 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 7206816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9694944).

7206816 is an abundant number, since it is smaller than the sum of its proper divisors (12183072).

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

7206816 is a wasteful number, since it uses less digits than its factorization.

7206816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 7206816 is about 2684.5513591660. The cubic root of 7206816 is about 193.1587908113.

The spelling of 7206816 in words is "seven million, two hundred six thousand, eight hundred sixteen".