6474840 has 64 divisors (see below), whose sum is σ = 19699200. Its totient is φ = 1702272.

The previous prime is 6474833. The next prime is 6474857. The reversal of 6474840 is 484746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9139 + ... + 9821.

It is an arithmetic number, because the mean of its divisors is an integer number (307800).

Almost surely, 2^6474840 is an apocalyptic number.

6474840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6474840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9849600).

6474840 is an abundant number, since it is smaller than the sum of its proper divisors (13224360).

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

6474840 is a wasteful number, since it uses less digits than its factorization.

6474840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 6474840 is about 2544.5706907060. The cubic root of 6474840 is about 186.3844516616.

The spelling of 6474840 in words is "six million, four hundred seventy-four thousand, eight hundred forty".