676736672 has 24 divisors (see below), whose sum is σ = 1336548276. Its totient is φ = 337295872.

The previous prime is 676736657. The next prime is 676736689. The reversal of 676736672 is 276637676.

It can be written as a sum of positive squares in 2 ways, for example, as 672053776 + 4682896 = 25924^2 + 2164^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 676736672.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23213 + ... + 43500.

Almost surely, 2^676736672 is an apocalyptic number.

It is an amenable number.

676736672 is a deficient number, since it is larger than the sum of its proper divisors (659811604).

676736672 is a wasteful number, since it uses less digits than its factorization.

676736672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67040 (or 67032 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 50.

The square root of 676736672 is about 26014.1629117679. The cubic root of 676736672 is about 877.9569823414.

The spelling of 676736672 in words is "six hundred seventy-six million, seven hundred thirty-six thousand, six hundred seventy-two".