6413720 has 16 divisors (see below), whose sum is σ = 14430960. Its totient is φ = 2565472.

The previous prime is 6413699. The next prime is 6413741. The reversal of 6413720 is 273146.

6413720 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6413699) and next prime (6413741).

It is a super-2 number, since 2×6413720² = 82271608476800, which contains 22 as substring.

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, 80132 + ... + 80211.

It is an arithmetic number, because the mean of its divisors is an integer number (901935).

Almost surely, 2^6413720 is an apocalyptic number.

It is an amenable number.

6413720 is an abundant number, since it is smaller than the sum of its proper divisors (8017240).

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

6413720 is a wasteful number, since it uses less digits than its factorization.

6413720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160354 (or 160350 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 6413720 is about 2532.5323295074. The cubic root of 6413720 is about 185.7961307328.

Adding to 6413720 its reverse (273146), we get a palindrome (6686866).

The spelling of 6413720 in words is "six million, four hundred thirteen thousand, seven hundred twenty".