6495764 has 18 divisors (see below), whose sum is σ = 12495882. Its totient is φ = 2952400.

The previous prime is 6495761. The next prime is 6495773. The reversal of 6495764 is 4675946.

6495764 = 227² + 228² + ... + 314².

It can be written as a sum of positive squares in only one way, i.e., 6400900 + 94864 = 2530^2 + 308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6495761) 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, 6227 + ... + 7194.

Almost surely, 2^6495764 is an apocalyptic number.

It is an amenable number.

6495764 is a deficient number, since it is larger than the sum of its proper divisors (6000118).

6495764 is a wasteful number, since it uses less digits than its factorization.

6495764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13447 (or 13434 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 6495764 is about 2548.6788734558. The cubic root of 6495764 is about 186.5850082175.

The spelling of 6495764 in words is "six million, four hundred ninety-five thousand, seven hundred sixty-four".