647069152 has 24 divisors (see below), whose sum is σ = 1287056736. Its totient is φ = 320197632.

The previous prime is 647069089. The next prime is 647069167. The reversal of 647069152 is 251960746.

647069152 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101128 + ... + 107335.

It is an arithmetic number, because the mean of its divisors is an integer number (53627364).

Almost surely, 2^647069152 is an apocalyptic number.

It is an amenable number.

647069152 is a deficient number, since it is larger than the sum of its proper divisors (639987584).

647069152 is a wasteful number, since it uses less digits than its factorization.

647069152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208570 (or 208562 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 647069152 is about 25437.5539704587. The cubic root of 647069152 is about 864.9351870981.

The spelling of 647069152 in words is "six hundred forty-seven million, sixty-nine thousand, one hundred fifty-two".