673255660 has 96 divisors (see below), whose sum is σ = 1781273088. Its totient is φ = 207636480.

The previous prime is 673255651. The next prime is 673255669. The reversal of 673255660 is 66552376.

It is an interprime number because it is at equal distance from previous prime (673255651) and next prime (673255669).

It is not an unprimeable number, because it can be changed into a prime (673255669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147127 + ... + 151633.

It is an arithmetic number, because the mean of its divisors is an integer number (18554928).

Almost surely, 2^673255660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673255660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (890636544).

673255660 is an abundant number, since it is smaller than the sum of its proper divisors (1108017428).

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

673255660 is a wasteful number, since it uses less digits than its factorization.

673255660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631 (or 4629 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 673255660 is about 25947.1705586563. The cubic root of 673255660 is about 876.4490427991.

The spelling of 673255660 in words is "six hundred seventy-three million, two hundred fifty-five thousand, six hundred sixty".