647304466722 has 32 divisors (see below), whose sum is σ = 1301471566080. Its totient is φ = 214624650240.

The previous prime is 647304466703. The next prime is 647304466723. The reversal of 647304466722 is 227664403746.

It is not an unprimeable number, because it can be changed into a prime (647304466723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11402304 + ... + 11458932.

It is an arithmetic number, because the mean of its divisors is an integer number (40670986440).

Almost surely, 2^647304466722 is an apocalyptic number.

647304466722 is an abundant number, since it is smaller than the sum of its proper divisors (654167099358).

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

647304466722 is a wasteful number, since it uses less digits than its factorization.

647304466722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66698.

The product of its (nonzero) digits is 8128512, while the sum is 51.

The spelling of 647304466722 in words is "six hundred forty-seven billion, three hundred four million, four hundred sixty-six thousand, seven hundred twenty-two".