6497747 has 4 divisors (see below), whose sum is σ = 6620400. Its totient is φ = 6375096.

The previous prime is 6497737. The next prime is 6497761. The reversal of 6497747 is 7477946.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6497747 - 2⁶ = 6497683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6497698 and 6497707.

It is not an unprimeable number, because it can be changed into a prime (6497717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61247 + ... + 61352.

It is an arithmetic number, because the mean of its divisors is an integer number (1655100).

Almost surely, 2^6497747 is an apocalyptic number.

6497747 is a deficient number, since it is larger than the sum of its proper divisors (122653).

6497747 is a wasteful number, since it uses less digits than its factorization.

6497747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122652.

The product of its digits is 296352, while the sum is 44.

The square root of 6497747 is about 2549.0678688493. The cubic root of 6497747 is about 186.6039929193.

The spelling of 6497747 in words is "six million, four hundred ninety-seven thousand, seven hundred forty-seven".