676420768 has 24 divisors (see below), whose sum is σ = 1356833268. Its totient is φ = 331828224.

The previous prime is 676420753. The next prime is 676420783. The reversal of 676420768 is 867024676.

It is an interprime number because it is at equal distance from previous prime (676420753) and next prime (676420783).

It can be written as a sum of positive squares in 2 ways, for example, as 672468624 + 3952144 = 25932^2 + 1988^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197721 + ... + 201112.

Almost surely, 2^676420768 is an apocalyptic number.

It is an amenable number.

676420768 is an abundant number, since it is smaller than the sum of its proper divisors (680412500).

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

676420768 is a wasteful number, since it uses less digits than its factorization.

676420768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398896 (or 398888 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 676420768 is about 26008.0904335555. The cubic root of 676420768 is about 877.8203495361.

The spelling of 676420768 in words is "six hundred seventy-six million, four hundred twenty thousand, seven hundred sixty-eight".