670854460 has 12 divisors (see below), whose sum is σ = 1408794408. Its totient is φ = 268341776.

The previous prime is 670854439. The next prime is 670854461. The reversal of 670854460 is 64458076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670854461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16771342 + ... + 16771381.

It is an arithmetic number, because the mean of its divisors is an integer number (117399534).

Almost surely, 2^670854460 is an apocalyptic number.

It is an amenable number.

670854460 is an abundant number, since it is smaller than the sum of its proper divisors (737939948).

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

670854460 is a wasteful number, since it uses less digits than its factorization.

670854460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33542732 (or 33542730 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 670854460 is about 25900.8582869371. The cubic root of 670854460 is about 875.4058351412.

The spelling of 670854460 in words is "six hundred seventy million, eight hundred fifty-four thousand, four hundred sixty".