647362068 has 24 divisors (see below), whose sum is σ = 1511630400. Its totient is φ = 215627520.

The previous prime is 647362063. The next prime is 647362081. The reversal of 647362068 is 860263746.

647362068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647362063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2493 + ... + 36068.

It is an arithmetic number, because the mean of its divisors is an integer number (62984600).

Almost surely, 2^647362068 is an apocalyptic number.

It is an amenable number.

647362068 is an abundant number, since it is smaller than the sum of its proper divisors (864268332).

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

647362068 is a wasteful number, since it uses less digits than its factorization.

647362068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39967 (or 39965 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 647362068 is about 25443.3108694604. The cubic root of 647362068 is about 865.0656806910.

The spelling of 647362068 in words is "six hundred forty-seven million, three hundred sixty-two thousand, sixty-eight".