670550800 has 60 divisors (see below), whose sum is σ = 1614110976. Its totient is φ = 267702400.

The previous prime is 670550791. The next prime is 670550819. The reversal of 670550800 is 8055076.

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 11 ways as a sum of consecutive naturals, for example, 257505 + ... + 260095.

Almost surely, 2^670550800 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 670550800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807055488).

670550800 is an abundant number, since it is smaller than the sum of its proper divisors (943560176).

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

670550800 is a wasteful number, since it uses less digits than its factorization.

670550800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256 (or 3245 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 670550800 is about 25894.9956555316. The cubic root of 670550800 is about 875.2737320447.

The spelling of 670550800 in words is "six hundred seventy million, five hundred fifty thousand, eight hundred".