775273228 has 12 divisors (see below), whose sum is σ = 1357376832. Its totient is φ = 387451280.

The previous prime is 775273201. The next prime is 775273229. The reversal of 775273228 is 822372577.

It is not an unprimeable number, because it can be changed into a prime (775273229) 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, 36700 + ... + 53827.

It is an arithmetic number, because the mean of its divisors is an integer number (113114736).

Almost surely, 2^775273228 is an apocalyptic number.

It is an amenable number.

775273228 is a deficient number, since it is larger than the sum of its proper divisors (582103604).

775273228 is a wasteful number, since it uses less digits than its factorization.

775273228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92672 (or 92670 counting only the distinct ones).

The product of its digits is 329280, while the sum is 43.

The square root of 775273228 is about 27843.7287014509. The cubic root of 775273228 is about 918.6532073945.

The spelling of 775273228 in words is "seven hundred seventy-five million, two hundred seventy-three thousand, two hundred twenty-eight".