764066228 has 24 divisors (see below), whose sum is σ = 1408485120. Its totient is φ = 361670400.

The previous prime is 764066227. The next prime is 764066267. The reversal of 764066228 is 822660467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764066221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145700 + ... + 150852.

It is an arithmetic number, because the mean of its divisors is an integer number (58686880).

Almost surely, 2^764066228 is an apocalyptic number.

It is an amenable number.

764066228 is a deficient number, since it is larger than the sum of its proper divisors (644418892).

764066228 is a wasteful number, since it uses less digits than its factorization.

764066228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7127 (or 7125 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 764066228 is about 27641.7479186827. The cubic root of 764066228 is about 914.2051596206.

The spelling of 764066228 in words is "seven hundred sixty-four million, sixty-six thousand, two hundred twenty-eight".