670105700 has 72 divisors (see below), whose sum is σ = 1591189824. Its totient is φ = 242928000.

The previous prime is 670105693. The next prime is 670105717. The reversal of 670105700 is 7501076.

It is a self number, because there is not a number n which added to its sum of digits gives 670105700.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 462377 + ... + 463823.

Almost surely, 2^670105700 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 670105700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795594912).

670105700 is an abundant number, since it is smaller than the sum of its proper divisors (921084124).

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

670105700 is a wasteful number, since it uses less digits than its factorization.

670105700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893 (or 1886 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 670105700 is about 25886.3999041968. The cubic root of 670105700 is about 875.0800253339.

Adding to 670105700 its reverse (7501076), we get a palindrome (677606776).

The spelling of 670105700 in words is "six hundred seventy million, one hundred five thousand, seven hundred".