647200002 has 16 divisors (see below), whose sum is σ = 1362526560. Its totient is φ = 204378912.

The previous prime is 647199991. The next prime is 647200033. The reversal of 647200002 is 200002746.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2838483 + ... + 2838710.

It is an arithmetic number, because the mean of its divisors is an integer number (85157910).

Almost surely, 2^647200002 is an apocalyptic number.

647200002 is an abundant number, since it is smaller than the sum of its proper divisors (715326558).

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

647200002 is a wasteful number, since it uses less digits than its factorization.

647200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5677217.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 647200002 is about 25440.1258251605. The cubic root of 647200002 is about 864.9934854221.

Adding to 647200002 its reverse (200002746), we get a palindrome (847202748).

The spelling of 647200002 in words is "six hundred forty-seven million, two hundred thousand, two".