6716220 has 48 divisors (see below), whose sum is σ = 21493248. Its totient is φ = 1535040.

The previous prime is 6716209. The next prime is 6716221. The reversal of 6716220 is 226176.

6716220 = 295² + 296² + ... + 357².

It is a happy number.

It is a super-2 number, since 2×6716220² = 90215222176800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6716221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7576 + ... + 8415.

It is an arithmetic number, because the mean of its divisors is an integer number (447776).

Almost surely, 2^6716220 is an apocalyptic number.

6716220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6716220 is an abundant number, since it is smaller than the sum of its proper divisors (14777028).

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

6716220 is a wasteful number, since it uses less digits than its factorization.

6716220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16010 (or 16008 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 6716220 is about 2591.5670934784. The cubic root of 6716220 is about 188.6723698715.

The spelling of 6716220 in words is "six million, seven hundred sixteen thousand, two hundred twenty".