6479040 has 112 divisors (see below), whose sum is σ = 21835872. Its totient is φ = 1622016.

The previous prime is 6479021. The next prime is 6479041. The reversal of 6479040 is 409746.

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

It is a d-powerful number, because it can be written as 6⁸ + 4³ + 7 + 9⁷ + 0 + 4⁷ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 6478989 and 6479007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6479041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16122 + ... + 16518.

Almost surely, 2^6479040 is an apocalyptic number.

6479040 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 6479040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10917936).

6479040 is an abundant number, since it is smaller than the sum of its proper divisors (15356832).

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

6479040 is a wasteful number, since it uses less digits than its factorization.

6479040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 6479040 is about 2545.3958434790. The cubic root of 6479040 is about 186.4247432877.

The spelling of 6479040 in words is "six million, four hundred seventy-nine thousand, forty".