6491734 has 8 divisors (see below), whose sum is σ = 9944928. Its totient is φ = 3176760.

The previous prime is 6491731. The next prime is 6491747. The reversal of 6491734 is 4371946.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6491734² = 84285220653512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6491734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6491731) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34437 + ... + 34624.

It is an arithmetic number, because the mean of its divisors is an integer number (1243116).

Almost surely, 2^6491734 is an apocalyptic number.

6491734 is a deficient number, since it is larger than the sum of its proper divisors (3453194).

6491734 is a wasteful number, since it uses less digits than its factorization.

6491734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69110.

The product of its digits is 18144, while the sum is 34.

The square root of 6491734 is about 2547.8881451116. Note that the first 3 decimals coincide. The cubic root of 6491734 is about 186.5464141871.

It can be divided in two parts, 6491 and 734, that added together give a square (7225 = 85²).

The spelling of 6491734 in words is "six million, four hundred ninety-one thousand, seven hundred thirty-four".