6471920 has 120 divisors (see below), whose sum is σ = 18998784. Its totient is φ = 2032128.

The previous prime is 6471919. The next prime is 6471953. The reversal of 6471920 is 291746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50897 + ... + 51023.

Almost surely, 2^6471920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6471920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9499392).

6471920 is an abundant number, since it is smaller than the sum of its proper divisors (12526864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6471920 is a wasteful number, since it uses less digits than its factorization.

6471920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 6471920 is about 2543.9968553440. The cubic root of 6471920 is about 186.3564291194.

The spelling of 6471920 in words is "six million, four hundred seventy-one thousand, nine hundred twenty".