6728790 has 32 divisors (see below), whose sum is σ = 16240896. Its totient is φ = 1784160.

The previous prime is 6728759. The next prime is 6728801. The reversal of 6728790 is 978276.

6728790 is nontrivially palindromic in base 14.

It is a super-2 number, since 2×6728790² = 90553229728200, 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 15 ways as a sum of consecutive naturals, for example, 5799 + ... + 6861.

It is an arithmetic number, because the mean of its divisors is an integer number (507528).

Almost surely, 2^6728790 is an apocalyptic number.

6728790 is an abundant number, since it is smaller than the sum of its proper divisors (9512106).

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

6728790 is a wasteful number, since it uses less digits than its factorization.

6728790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 6728790 is about 2593.9911333696. The cubic root of 6728790 is about 188.7900021937.

The spelling of 6728790 in words is "six million, seven hundred twenty-eight thousand, seven hundred ninety".