6716420 has 12 divisors (see below), whose sum is σ = 14104524. Its totient is φ = 2686560.

The previous prime is 6716417. The next prime is 6716431. The reversal of 6716420 is 246176.

It can be written as a sum of positive squares in 2 ways, for example, as 1444804 + 5271616 = 1202^2 + 2296^2 .

It is a super-2 number, since 2×6716420² = 90220595232800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6716420.

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, 167891 + ... + 167930.

It is an arithmetic number, because the mean of its divisors is an integer number (1175377).

Almost surely, 2^6716420 is an apocalyptic number.

It is an amenable number.

6716420 is an abundant number, since it is smaller than the sum of its proper divisors (7388104).

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

6716420 is a wasteful number, since it uses less digits than its factorization.

6716420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335830 (or 335828 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 6716420 is about 2591.6056798826. The cubic root of 6716420 is about 188.6742426560.

The spelling of 6716420 in words is "six million, seven hundred sixteen thousand, four hundred twenty".