670885892 has 24 divisors (see below), whose sum is σ = 1244047896. Its totient is φ = 315473408.

The previous prime is 670885889. The next prime is 670885921. The reversal of 670885892 is 298588076.

670885892 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 4 ways, for example, as 58125376 + 612760516 = 7624^2 + 24754^2 .

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, 114998 + ... + 120690.

It is an arithmetic number, because the mean of its divisors is an integer number (51835329).

Almost surely, 2^670885892 is an apocalyptic number.

It is an amenable number.

670885892 is a deficient number, since it is larger than the sum of its proper divisors (573162004).

670885892 is a wasteful number, since it uses less digits than its factorization.

670885892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7447 (or 7445 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 53.

The square root of 670885892 is about 25901.4650550891. The cubic root of 670885892 is about 875.4195069226.

The spelling of 670885892 in words is "six hundred seventy million, eight hundred eighty-five thousand, eight hundred ninety-two".