670021282 has 16 divisors (see below), whose sum is σ = 1209061440. Its totient is φ = 272038608.

The previous prime is 670021273. The next prime is 670021327. The reversal of 670021282 is 282120076.

It is a self number, because there is not a number n which added to its sum of digits gives 670021282.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1259173 + ... + 1259704.

It is an arithmetic number, because the mean of its divisors is an integer number (75566340).

Almost surely, 2^670021282 is an apocalyptic number.

670021282 is a deficient number, since it is larger than the sum of its proper divisors (539040158).

670021282 is a wasteful number, since it uses less digits than its factorization.

670021282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518905.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 670021282 is about 25884.7693055202. The cubic root of 670021282 is about 875.0432770976.

The spelling of 670021282 in words is "six hundred seventy million, twenty-one thousand, two hundred eighty-two".