670681600 has 120 divisors (see below), whose sum is σ = 1677490848. Its totient is φ = 265728000.

The previous prime is 670681577. The next prime is 670681607. The reversal of 670681600 is 6186076.

It is not an unprimeable number, because it can be changed into a prime (670681607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1932627 + ... + 1932973.

Almost surely, 2^670681600 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 670681600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838745424).

670681600 is an abundant number, since it is smaller than the sum of its proper divisors (1006809248).

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

670681600 is a wasteful number, since it uses less digits than its factorization.

670681600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 670681600 is about 25897.5211168946. The cubic root of 670681600 is about 875.3306396700.

The spelling of 670681600 in words is "six hundred seventy million, six hundred eighty-one thousand, six hundred".