6773940 has 36 divisors (see below), whose sum is σ = 20548164. Its totient is φ = 1806336.

The previous prime is 6773929. The next prime is 6773941. The reversal of 6773940 is 493776.

It can be written as a sum of positive squares in 2 ways, for example, as 2056356 + 4717584 = 1434^2 + 2172^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6773895 and 6773904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6773941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18637 + ... + 18996.

Almost surely, 2^6773940 is an apocalyptic number.

6773940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6773940 is an abundant number, since it is smaller than the sum of its proper divisors (13774224).

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

6773940 is a wasteful number, since it uses less digits than its factorization.

6773940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37648 (or 37643 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 6773940 is about 2602.6793886301. The cubic root of 6773940 is about 189.2113198638.

The spelling of 6773940 in words is "six million, seven hundred seventy-three thousand, nine hundred forty".