6479757 has 10 divisors (see below), whose sum is σ = 9679758. Its totient is φ = 4319784.

The previous prime is 6479747. The next prime is 6479791. The reversal of 6479757 is 7579746.

It can be written as a sum of positive squares in only one way, i.e., 4247721 + 2232036 = 2061^2 + 1494^2 .

It is not a de Polignac number, because 6479757 - 2¹⁰ = 6478733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6479747) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39918 + ... + 40079.

Almost surely, 2^6479757 is an apocalyptic number.

It is an amenable number.

6479757 is a deficient number, since it is larger than the sum of its proper divisors (3200001).

6479757 is an equidigital number, since it uses as much as digits as its factorization.

6479757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80009 (or 80000 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 6479757 is about 2545.5366821164. The cubic root of 6479757 is about 186.4316199037.

It can be divided in two parts, 647 and 9757, that added together give a square (10404 = 102²).

The spelling of 6479757 in words is "six million, four hundred seventy-nine thousand, seven hundred fifty-seven".