6781048 has 16 divisors (see below), whose sum is σ = 12753000. Its totient is φ = 3380256.

The previous prime is 6781037. The next prime is 6781051. The reversal of 6781048 is 8401876.

It is a happy number.

It is a super-2 number, since 2×6781048² = 91965223956608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2023 + ... + 4201.

Almost surely, 2^6781048 is an apocalyptic number.

It is an amenable number.

6781048 is a deficient number, since it is larger than the sum of its proper divisors (5971952).

6781048 is a wasteful number, since it uses less digits than its factorization.

6781048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574 (or 2570 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 6781048 is about 2604.0445464700. The cubic root of 6781048 is about 189.2774775171.

The spelling of 6781048 in words is "six million, seven hundred eighty-one thousand, forty-eight".