6474540 has 72 divisors (see below), whose sum is σ = 19066320. Its totient is φ = 1639680.

The previous prime is 6474509. The next prime is 6474557. The reversal of 6474540 is 454746.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 6474498 and 6474507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106110 + ... + 106170.

It is an arithmetic number, because the mean of its divisors is an integer number (264810).

Almost surely, 2^6474540 is an apocalyptic number.

6474540 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 6474540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9533160).

6474540 is an abundant number, since it is smaller than the sum of its proper divisors (12591780).

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

6474540 is a wasteful number, since it uses less digits than its factorization.

6474540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 6474540 is about 2544.5117409829. The cubic root of 6474540 is about 186.3815730217.

The spelling of 6474540 in words is "six million, four hundred seventy-four thousand, five hundred forty".