6471487 has 8 divisors (see below), whose sum is σ = 7367040. Its totient is φ = 5627160.

The previous prime is 6471473. The next prime is 6471499. The reversal of 6471487 is 7841746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6471487 - 2⁷ = 6471359 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 (6471187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12537 + ... + 13042.

It is an arithmetic number, because the mean of its divisors is an integer number (920880).

Almost surely, 2^6471487 is an apocalyptic number.

6471487 is a deficient number, since it is larger than the sum of its proper divisors (895553).

6471487 is a wasteful number, since it uses less digits than its factorization.

6471487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25613.

The product of its digits is 37632, while the sum is 37.

The square root of 6471487 is about 2543.9117516140. The cubic root of 6471487 is about 186.3522730043.

The spelling of 6471487 in words is "six million, four hundred seventy-one thousand, four hundred eighty-seven".