670893912 has 192 divisors, whose sum is σ = 2037235200. Its totient is φ = 198132480.

The previous prime is 670893901. The next prime is 670893913. The reversal of 670893912 is 219398076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670893913) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 3179487 + ... + 3179697.

It is an arithmetic number, because the mean of its divisors is an integer number (10610600).

Almost surely, 2^670893912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670893912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1018617600).

670893912 is an abundant number, since it is smaller than the sum of its proper divisors (1366341288).

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

670893912 is a wasteful number, since it uses less digits than its factorization.

670893912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 670893912 is about 25901.6198721238. The cubic root of 670893912 is about 875.4229952637.

The spelling of 670893912 in words is "six hundred seventy million, eight hundred ninety-three thousand, nine hundred twelve".