647296712 has 16 divisors (see below), whose sum is σ = 1277559600. Its totient is φ = 306614160.

The previous prime is 647296711. The next prime is 647296721. The reversal of 647296712 is 217692746.

647296712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (647296711) 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, 2129114 + ... + 2129417.

It is an arithmetic number, because the mean of its divisors is an integer number (79847475).

Almost surely, 2^647296712 is an apocalyptic number.

It is an amenable number.

647296712 is a deficient number, since it is larger than the sum of its proper divisors (630262888).

647296712 is a wasteful number, since it uses less digits than its factorization.

647296712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258556 (or 4258552 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 647296712 is about 25442.0264916142. The cubic root of 647296712 is about 865.0365681134.

The spelling of 647296712 in words is "six hundred forty-seven million, two hundred ninety-six thousand, seven hundred twelve".