670770560 has 64 divisors (see below), whose sum is σ = 1655337600. Its totient is φ = 259645440.

The previous prime is 670770553. The next prime is 670770563. The reversal of 670770560 is 65077076.

670770560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670770563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2936 + ... + 36744.

It is an arithmetic number, because the mean of its divisors is an integer number (25864650).

Almost surely, 2^670770560 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 670770560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827668800).

670770560 is an abundant number, since it is smaller than the sum of its proper divisors (984567040).

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

670770560 is a wasteful number, since it uses less digits than its factorization.

670770560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33859 (or 33847 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 670770560 is about 25899.2385988469. The cubic root of 670770560 is about 875.3693395891.

The spelling of 670770560 in words is "six hundred seventy million, seven hundred seventy thousand, five hundred sixty".