6373440 has 84 divisors (see below), whose sum is σ = 21931884. Its totient is φ = 1698816.

The previous prime is 6373421. The next prime is 6373459. The reversal of 6373440 is 443736.

It is an interprime number because it is at equal distance from previous prime (6373421) and next prime (6373459).

It can be written as a sum of positive squares in 2 ways, for example, as 4875264 + 1498176 = 2208^2 + 1224^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1774 + ... + 3986.

Almost surely, 2^6373440 is an apocalyptic number.

6373440 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 6373440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10965942).

6373440 is an abundant number, since it is smaller than the sum of its proper divisors (15558444).

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

6373440 is a wasteful number, since it uses less digits than its factorization.

6373440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236 (or 2223 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 6373440 is about 2524.5672896558. The cubic root of 6373440 is about 185.4063626531.

The spelling of 6373440 in words is "six million, three hundred seventy-three thousand, four hundred forty".