676767872 has 64 divisors (see below), whose sum is σ = 1485691200. Its totient is φ = 304512000.

The previous prime is 676767803. The next prime is 676767881. The reversal of 676767872 is 278767676.

It is a tau number, because it is divible by the number of its divisors (64).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139829 + ... + 144587.

It is an arithmetic number, because the mean of its divisors is an integer number (23213925).

Almost surely, 2^676767872 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 676767872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742845600).

676767872 is an abundant number, since it is smaller than the sum of its proper divisors (808923328).

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

676767872 is a wasteful number, since it uses less digits than its factorization.

676767872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885 (or 4873 counting only the distinct ones).

The product of its digits is 8297856, while the sum is 56.

The square root of 676767872 is about 26014.7625781978. The cubic root of 676767872 is about 877.9704744613.

The spelling of 676767872 in words is "six hundred seventy-six million, seven hundred sixty-seven thousand, eight hundred seventy-two".