665027752 has 16 divisors (see below), whose sum is σ = 1253196000. Its totient is φ = 330842160.

The previous prime is 665027747. The next prime is 665027761. The reversal of 665027752 is 257720566.

It is a super-3 number, since 3×665027752³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207274 + ... + 210457.

It is an arithmetic number, because the mean of its divisors is an integer number (78324750).

Almost surely, 2^665027752 is an apocalyptic number.

It is an amenable number.

665027752 is a deficient number, since it is larger than the sum of its proper divisors (588168248).

665027752 is a wasteful number, since it uses less digits than its factorization.

665027752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417936 (or 417932 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 665027752 is about 25788.1319990417. The cubic root of 665027752 is about 872.8640153974.

The spelling of 665027752 in words is "six hundred sixty-five million, twenty-seven thousand, seven hundred fifty-two".