6487761 has 24 divisors (see below), whose sum is σ = 10511680. Its totient is φ = 3485952.

The previous prime is 6487757. The next prime is 6487763. The reversal of 6487761 is 1677846.

It is not a de Polignac number, because 6487761 - 2² = 6487757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6487763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5535 + ... + 6603.

Almost surely, 2^6487761 is an apocalyptic number.

It is an amenable number.

6487761 is a deficient number, since it is larger than the sum of its proper divisors (4023919).

6487761 is a wasteful number, since it uses less digits than its factorization.

6487761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1096 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 6487761 is about 2547.1083604747. The cubic root of 6487761 is about 186.5083503893.

The spelling of 6487761 in words is "six million, four hundred eighty-seven thousand, seven hundred sixty-one".