670849860 has 24 divisors (see below), whose sum is σ = 1878379776. Its totient is φ = 178893280.

The previous prime is 670849859. The next prime is 670849877. The reversal of 670849860 is 68948076.

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 7 ways as a sum of consecutive naturals, for example, 5590356 + ... + 5590475.

It is an arithmetic number, because the mean of its divisors is an integer number (78265824).

Almost surely, 2^670849860 is an apocalyptic number.

670849860 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

670849860 is an abundant number, since it is smaller than the sum of its proper divisors (1207529916).

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

670849860 is a wasteful number, since it uses less digits than its factorization.

670849860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11180843 (or 11180841 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 670849860 is about 25900.7694866388. The cubic root of 670849860 is about 875.4038342720.

The spelling of 670849860 in words is "six hundred seventy million, eight hundred forty-nine thousand, eight hundred sixty".