670344580 has 12 divisors (see below), whose sum is σ = 1407723660. Its totient is φ = 268137824.

The previous prime is 670344553. The next prime is 670344613. The reversal of 670344580 is 85443076.

670344580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 201015684 + 469328896 = 14178^2 + 21664^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16758595 + ... + 16758634.

It is an arithmetic number, because the mean of its divisors is an integer number (117310305).

Almost surely, 2^670344580 is an apocalyptic number.

It is an amenable number.

670344580 is an abundant number, since it is smaller than the sum of its proper divisors (737379080).

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

670344580 is a wasteful number, since it uses less digits than its factorization.

670344580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33517238 (or 33517236 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 670344580 is about 25891.0134988957. The cubic root of 670344580 is about 875.1839961363.

The spelling of 670344580 in words is "six hundred seventy million, three hundred forty-four thousand, five hundred eighty".