6487975 has 12 divisors (see below), whose sum is σ = 8664376. Its totient is φ = 4790880.

The previous prime is 6487951. The next prime is 6487979. The reversal of 6487975 is 5797846.

It is a happy number.

It is not a de Polignac number, because 6487975 - 2⁷ = 6487847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6487979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9657 + ... + 10306.

Almost surely, 2^6487975 is an apocalyptic number.

6487975 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6487975 is a deficient number, since it is larger than the sum of its proper divisors (2176401).

6487975 is a wasteful number, since it uses less digits than its factorization.

6487975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19986 (or 19981 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 6487975 is about 2547.1503685491. The cubic root of 6487975 is about 186.5104010376.

The spelling of 6487975 in words is "six million, four hundred eighty-seven thousand, nine hundred seventy-five".