7706424228 has 12 divisors (see below), whose sum is σ = 17981656560. Its totient is φ = 2568808072.

The previous prime is 7706424221. The next prime is 7706424233. The reversal of 7706424228 is 8224246077.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 7706424228.

It is not an unprimeable number, because it can be changed into a prime (7706424221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321100998 + ... + 321101021.

It is an arithmetic number, because the mean of its divisors is an integer number (1498471380).

Almost surely, 2^7706424228 is an apocalyptic number.

It is an amenable number.

7706424228 is an abundant number, since it is smaller than the sum of its proper divisors (10275232332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7706424228 is a wasteful number, since it uses less digits than its factorization.

7706424228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642202026 (or 642202024 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 42.

The square root of 7706424228 is about 87786.2416782949. The cubic root of 7706424228 is about 1975.2298383802.

The spelling of 7706424228 in words is "seven billion, seven hundred six million, four hundred twenty-four thousand, two hundred twenty-eight".