6718420 has 24 divisors (see below), whose sum is σ = 14170464. Its totient is φ = 2675616.

The previous prime is 6718399. The next prime is 6718441. The reversal of 6718420 is 248176.

It is an interprime number because it is at equal distance from previous prime (6718399) and next prime (6718441).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5067 + ... + 6253.

It is an arithmetic number, because the mean of its divisors is an integer number (590436).

Almost surely, 2^6718420 is an apocalyptic number.

It is an amenable number.

6718420 is an abundant number, since it is smaller than the sum of its proper divisors (7452044).

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

6718420 is a wasteful number, since it uses less digits than its factorization.

6718420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479 (or 1477 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 6718420 is about 2591.9915123318. The cubic root of 6718420 is about 188.6929684572.

The spelling of 6718420 in words is "six million, seven hundred eighteen thousand, four hundred twenty".