818465272 has 16 divisors (see below), whose sum is σ = 1624894560. Its totient is φ = 385160064.

The previous prime is 818465237. The next prime is 818465293. The reversal of 818465272 is 272564818.

It is a happy number.

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, 3008928 + ... + 3009199.

It is an arithmetic number, because the mean of its divisors is an integer number (101555910).

Almost surely, 2^818465272 is an apocalyptic number.

It is an amenable number.

818465272 is a deficient number, since it is larger than the sum of its proper divisors (806429288).

818465272 is a wasteful number, since it uses less digits than its factorization.

818465272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6018150 (or 6018146 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The square root of 818465272 is about 28608.8320628438. The cubic root of 818465272 is about 935.4058584805.

The spelling of 818465272 in words is "eight hundred eighteen million, four hundred sixty-five thousand, two hundred seventy-two".