676670580 has 144 divisors (see below), whose sum is σ = 2172119040. Its totient is φ = 170159616.

The previous prime is 676670513. The next prime is 676670581. The reversal of 676670580 is 85076676.

676670580 is a `hidden beast` number, since 6 + 7 + 6 + 67 + 0 + 580 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676670581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 301101 + ... + 303339.

It is an arithmetic number, because the mean of its divisors is an integer number (15084160).

Almost surely, 2^676670580 is an apocalyptic number.

676670580 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 676670580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1086059520).

676670580 is an abundant number, since it is smaller than the sum of its proper divisors (1495448460).

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

676670580 is a wasteful number, since it uses less digits than its factorization.

676670580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350 (or 2345 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 676670580 is about 26012.8925727225. The cubic root of 676670580 is about 877.9284001644.

The spelling of 676670580 in words is "six hundred seventy-six million, six hundred seventy thousand, five hundred eighty".