7775216 has 20 divisors (see below), whose sum is σ = 15291432. Its totient is φ = 3829056.

The previous prime is 7775213. The next prime is 7775221. The reversal of 7775216 is 6125777.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7775213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555 + ... + 4698.

Almost surely, 2^7775216 is an apocalyptic number.

It is an amenable number.

7775216 is a deficient number, since it is larger than the sum of its proper divisors (7516216).

7775216 is a wasteful number, since it uses less digits than its factorization.

7775216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7328 (or 7322 counting only the distinct ones).

The product of its digits is 20580, while the sum is 35.

The square root of 7775216 is about 2788.4074307748. The cubic root of 7775216 is about 198.1089765027.

The spelling of 7775216 in words is "seven million, seven hundred seventy-five thousand, two hundred sixteen".