7770016 has 12 divisors (see below), whose sum is σ = 15297282. Its totient is φ = 3884992.

The previous prime is 7770013. The next prime is 7770017. The reversal of 7770016 is 6100777.

7770016 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7728400 + 41616 = 2780^2 + 204^2 .

It is not an unprimeable number, because it can be changed into a prime (7770013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121375 + ... + 121438.

Almost surely, 2^7770016 is an apocalyptic number.

It is an amenable number.

7770016 is a deficient number, since it is larger than the sum of its proper divisors (7527266).

7770016 is a wasteful number, since it uses less digits than its factorization.

7770016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242823 (or 242815 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 7770016 is about 2787.4748429358. The cubic root of 7770016 is about 198.0648021064.

The spelling of 7770016 in words is "seven million, seven hundred seventy thousand, sixteen".