670070556 has 48 divisors (see below), whose sum is σ = 1758690080. Its totient is φ = 223353936.

The previous prime is 670070519. The next prime is 670070561. The reversal of 670070556 is 655070076.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 670070556.

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 in 15 ways as a sum of consecutive naturals, for example, 29551 + ... + 47046.

Almost surely, 2^670070556 is an apocalyptic number.

It is an amenable number.

670070556 is an abundant number, since it is smaller than the sum of its proper divisors (1088619524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670070556 is an equidigital number, since it uses as much as digits as its factorization.

670070556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76622 (or 76602 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 670070556 is about 25885.7210832536. The cubic root of 670070556 is about 875.0647270757.

The spelling of 670070556 in words is "six hundred seventy million, seventy thousand, five hundred fifty-six".