670980628 has 6 divisors (see below), whose sum is σ = 1174216106. Its totient is φ = 335490312.

The previous prime is 670980617. The next prime is 670980631. The reversal of 670980628 is 826089076.

It can be written as a sum of positive squares in only one way, i.e., 408929284 + 262051344 = 20222^2 + 16188^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83872575 + ... + 83872582.

Almost surely, 2^670980628 is an apocalyptic number.

It is an amenable number.

670980628 is a deficient number, since it is larger than the sum of its proper divisors (503235478).

670980628 is a wasteful number, since it uses less digits than its factorization.

670980628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167745161 (or 167745159 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 670980628 is about 25903.2937673957. The cubic root of 670980628 is about 875.4607110677.

The spelling of 670980628 in words is "six hundred seventy million, nine hundred eighty thousand, six hundred twenty-eight".