670089960 has 96 divisors (see below), whose sum is σ = 2183093640. Its totient is φ = 178255872.

The previous prime is 670089913. The next prime is 670089997. The reversal of 670089960 is 69980076.

670089960 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 524501604 + 145588356 = 22902^2 + 12066^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162484 + ... + 166556.

Almost surely, 2^670089960 is an apocalyptic number.

670089960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670089960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1091546820).

670089960 is an abundant number, since it is smaller than the sum of its proper divisors (1513003680).

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

670089960 is a wasteful number, since it uses less digits than its factorization.

670089960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4547 (or 4540 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 670089960 is about 25886.0958817663. The cubic root of 670089960 is about 875.0731737445.

The spelling of 670089960 in words is "six hundred seventy million, eighty-nine thousand, nine hundred sixty".