7227776 has 16 divisors (see below), whose sum is σ = 14399340. Its totient is φ = 3613824.

The previous prime is 7227751. The next prime is 7227793. The reversal of 7227776 is 6777227.

It is a tau number, because it is divible by the number of its divisors (16).

It is a d-powerful number, because it can be written as 7 + 2¹⁹ + 2¹⁹ + 7⁵ + 7⁶ + 7⁸ + 6⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28106 + ... + 28361.

Almost surely, 2^7227776 is an apocalyptic number.

It is an amenable number.

7227776 is a deficient number, since it is larger than the sum of its proper divisors (7171564).

7227776 is an equidigital number, since it uses as much as digits as its factorization.

7227776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56481 (or 56469 counting only the distinct ones).

The product of its digits is 57624, while the sum is 38.

The square root of 7227776 is about 2688.4523428917. The cubic root of 7227776 is about 193.3458678622.

The spelling of 7227776 in words is "seven million, two hundred twenty-seven thousand, seven hundred seventy-six".