6768390 has 16 divisors (see below), whose sum is σ = 16244208. Its totient is φ = 1804896.

The previous prime is 6768383. The next prime is 6768409. The reversal of 6768390 is 938676.

It is a super-2 number, since 2×6768390² = 91622206384200, which contains 22 as substring.

It is a Curzon number.

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, 112777 + ... + 112836.

It is an arithmetic number, because the mean of its divisors is an integer number (1015263).

Almost surely, 2^6768390 is an apocalyptic number.

6768390 is an abundant number, since it is smaller than the sum of its proper divisors (9475818).

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

6768390 is a wasteful number, since it uses less digits than its factorization.

6768390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225623.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 6768390 is about 2601.6129612223. The cubic root of 6768390 is about 189.1596311002.

The spelling of 6768390 in words is "six million, seven hundred sixty-eight thousand, three hundred ninety".