647714 has 12 divisors (see below), whose sum is σ = 1006902. Its totient is φ = 312480.

The previous prime is 647693. The next prime is 647719. The reversal of 647714 is 417746.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 600625 + 47089 = 775^2 + 217^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 647714.

It is not an unprimeable number, because it can be changed into a prime (647719) by changing a digit.

647714 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1754 + ... + 2090.

2⁶⁴⁷⁷¹⁴ is an apocalyptic number.

647714 is a deficient number, since it is larger than the sum of its proper divisors (359188).

647714 is a wasteful number, since it uses less digits than its factorization.

647714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 370 counting only the distinct ones).

The product of its digits is 4704, while the sum is 29.

The square root of 647714 is about 804.8068091163. The cubic root of 647714 is about 86.5222413766.

The spelling of 647714 in words is "six hundred forty-seven thousand, seven hundred fourteen".