676721316 has 12 divisors (see below), whose sum is σ = 1579016432. Its totient is φ = 225573768.

The previous prime is 676721291. The next prime is 676721317. The reversal of 676721316 is 613127676.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (676721317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28196710 + ... + 28196733.

Almost surely, 2^676721316 is an apocalyptic number.

It is an amenable number.

676721316 is an abundant number, since it is smaller than the sum of its proper divisors (902295116).

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

676721316 is a wasteful number, since it uses less digits than its factorization.

676721316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56393450 (or 56393448 counting only the distinct ones).

The product of its digits is 63504, while the sum is 39.

The square root of 676721316 is about 26013.8677631759. The cubic root of 676721316 is about 877.9503416445.

The spelling of 676721316 in words is "six hundred seventy-six million, seven hundred twenty-one thousand, three hundred sixteen".