7700216 has 16 divisors (see below), whose sum is σ = 15066000. Its totient is φ = 3682624.

The previous prime is 7700179. The next prime is 7700227. The reversal of 7700216 is 6120077.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 7700191 and 7700200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20741 + ... + 21108.

It is an arithmetic number, because the mean of its divisors is an integer number (941625).

Almost surely, 2^7700216 is an apocalyptic number.

It is an amenable number.

7700216 is a deficient number, since it is larger than the sum of its proper divisors (7365784).

7700216 is a wasteful number, since it uses less digits than its factorization.

7700216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41878 (or 41874 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 7700216 is about 2774.9263053278. The cubic root of 7700216 is about 197.4699286588.

The spelling of 7700216 in words is "seven million, seven hundred thousand, two hundred sixteen".