6427240 has 16 divisors (see below), whose sum is σ = 14461380. Its totient is φ = 2570880.

The previous prime is 6427219. The next prime is 6427247. The reversal of 6427240 is 427246.

It can be written as a sum of positive squares in 2 ways, for example, as 6421156 + 6084 = 2534^2 + 78^2 .

It is not an unprimeable number, because it can be changed into a prime (6427247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80301 + ... + 80380.

Almost surely, 2^6427240 is an apocalyptic number.

It is an amenable number.

6427240 is an abundant number, since it is smaller than the sum of its proper divisors (8034140).

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

6427240 is a wasteful number, since it uses less digits than its factorization.

6427240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160692 (or 160688 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 6427240 is about 2535.2001893342. The cubic root of 6427240 is about 185.9265906788.

The spelling of 6427240 in words is "six million, four hundred twenty-seven thousand, two hundred forty".