647343152 has 40 divisors (see below), whose sum is σ = 1277931600. Its totient is φ = 317613312.

The previous prime is 647343131. The next prime is 647343217. The reversal of 647343152 is 251343746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184874 + ... + 188342.

It is an arithmetic number, because the mean of its divisors is an integer number (31948290).

Almost surely, 2^647343152 is an apocalyptic number.

It is an amenable number.

647343152 is a deficient number, since it is larger than the sum of its proper divisors (630588448).

647343152 is a wasteful number, since it uses less digits than its factorization.

647343152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693 (or 3687 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 647343152 is about 25442.9391383936. The cubic root of 647343152 is about 865.0572548334.

Adding to 647343152 its reverse (251343746), we get a palindrome (898686898).

The spelling of 647343152 in words is "six hundred forty-seven million, three hundred forty-three thousand, one hundred fifty-two".