6781674 has 24 divisors (see below), whose sum is σ = 14411808. Its totient is φ = 2127040.

The previous prime is 6781667. The next prime is 6781699. The reversal of 6781674 is 4761876.

It is a super-2 number, since 2×6781674² = 91982204484552, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222 + ... + 3689.

It is an arithmetic number, because the mean of its divisors is an integer number (600492).

Almost surely, 2^6781674 is an apocalyptic number.

6781674 is an abundant number, since it is smaller than the sum of its proper divisors (7630134).

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

6781674 is a wasteful number, since it uses less digits than its factorization.

6781674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950 (or 3933 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 6781674 is about 2604.1647413326. The cubic root of 6781674 is about 189.2833017916.

The spelling of 6781674 in words is "six million, seven hundred eighty-one thousand, six hundred seventy-four".