6627420 has 60 divisors (see below), whose sum is σ = 20795544. Its totient is φ = 1766880.

The previous prime is 6627407. The next prime is 6627431. The reversal of 6627420 is 247266.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 426 + ... + 3665.

Almost surely, 2^6627420 is an apocalyptic number.

6627420 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 6627420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10397772).

6627420 is an abundant number, since it is smaller than the sum of its proper divisors (14168124).

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

6627420 is a wasteful number, since it uses less digits than its factorization.

6627420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112 (or 4101 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 6627420 is about 2574.3775946819. The cubic root of 6627420 is about 187.8371533838.

The spelling of 6627420 in words is "six million, six hundred twenty-seven thousand, four hundred twenty".