647340662 has 16 divisors (see below), whose sum is σ = 1009889232. Its totient is φ = 310957920.

The previous prime is 647340649. The next prime is 647340703. The reversal of 647340662 is 266043746.

647340662 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 7 ways as a sum of consecutive naturals, for example, 56453 + ... + 66944.

It is an arithmetic number, because the mean of its divisors is an integer number (63118077).

Almost surely, 2^647340662 is an apocalyptic number.

647340662 is a deficient number, since it is larger than the sum of its proper divisors (362548570).

647340662 is a wasteful number, since it uses less digits than its factorization.

647340662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123503.

The product of its (nonzero) digits is 145152, while the sum is 38.

The square root of 647340662 is about 25442.8902053206. The cubic root of 647340662 is about 865.0561456868.

The spelling of 647340662 in words is "six hundred forty-seven million, three hundred forty thousand, six hundred sixty-two".