6473878 has 8 divisors (see below), whose sum is σ = 9721872. Its totient is φ = 3233256.

The previous prime is 6473867. The next prime is 6473881. The reversal of 6473878 is 8783746.

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

It is a super-2 number, since 2×6473878² = 83822192717768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1776 + ... + 4012.

It is an arithmetic number, because the mean of its divisors is an integer number (1215234).

Almost surely, 2^6473878 is an apocalyptic number.

6473878 is a deficient number, since it is larger than the sum of its proper divisors (3247994).

6473878 is a wasteful number, since it uses less digits than its factorization.

6473878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686.

The product of its digits is 225792, while the sum is 43.

The square root of 6473878 is about 2544.3816537619. The cubic root of 6473878 is about 186.3752205083.

The spelling of 6473878 in words is "six million, four hundred seventy-three thousand, eight hundred seventy-eight".