676745280 has 224 divisors, whose sum is σ = 2419380480. Its totient is φ = 180278784.

The previous prime is 676745273. The next prime is 676745341. The reversal of 676745280 is 82547676.

676745280 is a `hidden beast` number, since 67 + 67 + 4 + 528 + 0 = 666.

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 31 ways as a sum of consecutive naturals, for example, 699357 + ... + 700323.

Almost surely, 2^676745280 is an apocalyptic number.

676745280 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 676745280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209690240).

676745280 is an abundant number, since it is smaller than the sum of its proper divisors (1742635200).

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

676745280 is an frugal number, since it uses more digits than its factorization.

676745280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 676745280 is about 26014.3283595791. The cubic root of 676745280 is about 877.9607048241.

The spelling of 676745280 in words is "six hundred seventy-six million, seven hundred forty-five thousand, two hundred eighty".