6748940 has 24 divisors (see below), whose sum is σ = 15461712. Its totient is φ = 2454080.

The previous prime is 6748939. The next prime is 6748943. The reversal of 6748940 is 498476.

It is a happy number.

It is a super-2 number, since 2×6748940² = 91096382247200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6748894 and 6748903.

It is not an unprimeable number, because it can be changed into a prime (6748943) 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 7 ways as a sum of consecutive naturals, for example, 15119 + ... + 15558.

It is an arithmetic number, because the mean of its divisors is an integer number (644238).

Almost surely, 2^6748940 is an apocalyptic number.

It is an amenable number.

6748940 is an abundant number, since it is smaller than the sum of its proper divisors (8712772).

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

6748940 is a wasteful number, since it uses less digits than its factorization.

6748940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30697 (or 30695 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 6748940 is about 2597.8722062488. The cubic root of 6748940 is about 188.9782642529.

The spelling of 6748940 in words is "six million, seven hundred forty-eight thousand, nine hundred forty".