670018880 has 42 divisors (see below), whose sum is σ = 1596585834. Its totient is φ = 267822336.

The previous prime is 670018847. The next prime is 670018889. The reversal of 670018880 is 88810076.

It can be written as a sum of positive squares in only one way, i.e., 536015104 + 134003776 = 23152^2 + 11576^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670018889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 462317 + ... + 463763.

Almost surely, 2^670018880 is an apocalyptic number.

It is an amenable number.

670018880 is an abundant number, since it is smaller than the sum of its proper divisors (926566954).

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

670018880 is an frugal number, since it uses more digits than its factorization.

670018880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 670018880 is about 25884.7229075376. The cubic root of 670018880 is about 875.0422314311.

The spelling of 670018880 in words is "six hundred seventy million, eighteen thousand, eight hundred eighty".