670412800 has 78 divisors (see below), whose sum is σ = 1662674708. Its totient is φ = 268124160.

The previous prime is 670412779. The next prime is 670412819. The reversal of 670412800 is 8214076.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99127 + ... + 105673.

Almost surely, 2^670412800 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 670412800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831337354).

670412800 is an abundant number, since it is smaller than the sum of its proper divisors (992261908).

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

670412800 is an equidigital number, since it uses as much as digits as its factorization.

670412800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6581 (or 6554 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 670412800 is about 25892.3309109087. The cubic root of 670412800 is about 875.2136838664.

Adding to 670412800 its reverse (8214076), we get a palindrome (678626876).

The spelling of 670412800 in words is "six hundred seventy million, four hundred twelve thousand, eight hundred".