6427320 has 64 divisors (see below), whose sum is σ = 20304000. Its totient is φ = 1623168.

The previous prime is 6427277. The next prime is 6427331. The reversal of 6427320 is 237246.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 6 + 4⁸ + 2¹⁵ + 7⁸ + 3¹² + 2¹⁵ + 0 .

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, 871 + ... + 3689.

It is an arithmetic number, because the mean of its divisors is an integer number (317250).

Almost surely, 2^6427320 is an apocalyptic number.

6427320 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 6427320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10152000).

6427320 is an abundant number, since it is smaller than the sum of its proper divisors (13876680).

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

6427320 is a wasteful number, since it uses less digits than its factorization.

6427320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852 (or 2848 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 6427320 is about 2535.2159671318. The cubic root of 6427320 is about 185.9273620864.

The spelling of 6427320 in words is "six million, four hundred twenty-seven thousand, three hundred twenty".