670627556 has 6 divisors (see below), whose sum is σ = 1173598230. Its totient is φ = 335313776.

The previous prime is 670627513. The next prime is 670627609. The reversal of 670627556 is 655726076.

It can be written as a sum of positive squares in only one way, i.e., 489294400 + 181333156 = 22120^2 + 13466^2 .

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 as a sum of consecutive naturals, namely, 83828441 + ... + 83828448.

It is an arithmetic number, because the mean of its divisors is an integer number (195599705).

Almost surely, 2^670627556 is an apocalyptic number.

It is an amenable number.

670627556 is a deficient number, since it is larger than the sum of its proper divisors (502970674).

670627556 is a wasteful number, since it uses less digits than its factorization.

670627556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167656893 (or 167656891 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 44.

The square root of 670627556 is about 25896.4776755450. The cubic root of 670627556 is about 875.3071274501.

The spelling of 670627556 in words is "six hundred seventy million, six hundred twenty-seven thousand, five hundred fifty-six".