7726216 has 8 divisors (see below), whose sum is σ = 14486670. Its totient is φ = 3863104.

The previous prime is 7726207. The next prime is 7726237. The reversal of 7726216 is 6126277.

It can be written as a sum of positive squares in only one way, i.e., 5336100 + 2390116 = 2310^2 + 1546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482881 + ... + 482896.

Almost surely, 2^7726216 is an apocalyptic number.

It is an amenable number.

7726216 is a deficient number, since it is larger than the sum of its proper divisors (6760454).

7726216 is a wasteful number, since it uses less digits than its factorization.

7726216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965783 (or 965779 counting only the distinct ones).

The product of its digits is 7056, while the sum is 31.

The square root of 7726216 is about 2779.6071664895. The cubic root of 7726216 is about 197.6919332687.

The spelling of 7726216 in words is "seven million, seven hundred twenty-six thousand, two hundred sixteen".