662005072 has 10 divisors (see below), whose sum is σ = 1282634858. Its totient is φ = 331002528.

The previous prime is 662005061. The next prime is 662005111. The reversal of 662005072 is 270500266.

662005072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 645973056 + 16032016 = 25416^2 + 4004^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 662005072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20687643 + ... + 20687674.

Almost surely, 2^662005072 is an apocalyptic number.

It is an amenable number.

662005072 is a deficient number, since it is larger than the sum of its proper divisors (620629786).

662005072 is a wasteful number, since it uses less digits than its factorization.

662005072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41375325 (or 41375319 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 662005072 is about 25729.4592247874. The cubic root of 662005072 is about 871.5395613689.

The spelling of 662005072 in words is "six hundred sixty-two million, five thousand, seventy-two".