647471703 has 16 divisors (see below), whose sum is σ = 869844096. Its totient is φ = 428383200.

The previous prime is 647471681. The next prime is 647471717. The reversal of 647471703 is 307174746.

It is not a de Polignac number, because 647471703 - 2¹⁰ = 647470679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647471203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544876 + ... + 546062.

It is an arithmetic number, because the mean of its divisors is an integer number (54365256).

Almost surely, 2^647471703 is an apocalyptic number.

647471703 is a deficient number, since it is larger than the sum of its proper divisors (222372393).

647471703 is a wasteful number, since it uses less digits than its factorization.

647471703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 647471703 is about 25445.4652737968. The cubic root of 647471703 is about 865.1145127779.

The spelling of 647471703 in words is "six hundred forty-seven million, four hundred seventy-one thousand, seven hundred three".