670720548 has 24 divisors (see below), whose sum is σ = 1573128928. Its totient is φ = 222414336.

The previous prime is 670720513. The next prime is 670720573. The reversal of 670720548 is 845027076.

670720548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142486 + ... + 147117.

Almost surely, 2^670720548 is an apocalyptic number.

It is an amenable number.

670720548 is an abundant number, since it is smaller than the sum of its proper divisors (902408380).

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

670720548 is a wasteful number, since it uses less digits than its factorization.

670720548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289803 (or 289801 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 670720548 is about 25898.2730698400. The cubic root of 670720548 is about 875.3475834865.

The spelling of 670720548 in words is "six hundred seventy million, seven hundred twenty thousand, five hundred forty-eight".