6790720 has 28 divisors (see below), whose sum is σ = 16171164. Its totient is φ = 2716160.

The previous prime is 6790717. The next prime is 6790741. The reversal of 6790720 is 270976.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4875264 + 1915456 = 2208^2 + 1384^2 .

It is a super-2 number, since 2×6790720² = 92227756236800, which contains 22 as substring.

It is an Ulam 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 3 ways as a sum of consecutive naturals, for example, 10291 + ... + 10930.

Almost surely, 2^6790720 is an apocalyptic number.

It is an amenable number.

6790720 is an abundant number, since it is smaller than the sum of its proper divisors (9380444).

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

6790720 is a wasteful number, since it uses less digits than its factorization.

6790720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21238 (or 21228 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 6790720 is about 2605.9009958170. The cubic root of 6790720 is about 189.3674253670.

The spelling of 6790720 in words is "six million, seven hundred ninety thousand, seven hundred twenty".