6464727 has 6 divisors (see below), whose sum is σ = 9337952. Its totient is φ = 4309812.

The previous prime is 6464723. The next prime is 6464729. The reversal of 6464727 is 7274646.

6464727 is a `hidden beast` number, since 6 + 4 + 647 + 2 + 7 = 666.

It is not a de Polignac number, because 6464727 - 2² = 6464723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6464691 and 6464700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 359143 + ... + 359160.

Almost surely, 2^6464727 is an apocalyptic number.

6464727 is a deficient number, since it is larger than the sum of its proper divisors (2873225).

6464727 is a wasteful number, since it uses less digits than its factorization.

6464727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718309 (or 718306 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 6464727 is about 2542.5827420165. The cubic root of 6464727 is about 186.2873636434.

The spelling of 6464727 in words is "six million, four hundred sixty-four thousand, seven hundred twenty-seven".