6427420 has 12 divisors (see below), whose sum is σ = 13497624. Its totient is φ = 2570960.

The previous prime is 6427367. The next prime is 6427433. The reversal of 6427420 is 247246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160666 + ... + 160705.

It is an arithmetic number, because the mean of its divisors is an integer number (1124802).

Almost surely, 2^6427420 is an apocalyptic number.

It is an amenable number.

6427420 is an abundant number, since it is smaller than the sum of its proper divisors (7070204).

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

6427420 is a wasteful number, since it uses less digits than its factorization.

6427420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321380 (or 321378 counting only the distinct ones).

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

The square root of 6427420 is about 2535.2356892407. The cubic root of 6427420 is about 185.9283263369.

The spelling of 6427420 in words is "six million, four hundred twenty-seven thousand, four hundred twenty".