6546742 has 4 divisors (see below), whose sum is σ = 9820116. Its totient is φ = 3273370.

The previous prime is 6546733. The next prime is 6546767. The reversal of 6546742 is 2476456.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 6546698 and 6546707.

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 as a sum of consecutive naturals, namely, 1636684 + ... + 1636687.

It is an arithmetic number, because the mean of its divisors is an integer number (2455029).

Almost surely, 2^6546742 is an apocalyptic number.

6546742 is a deficient number, since it is larger than the sum of its proper divisors (3273374).

6546742 is a wasteful number, since it uses less digits than its factorization.

6546742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273373.

The product of its digits is 40320, while the sum is 34.

The square root of 6546742 is about 2558.6601962746. The cubic root of 6546742 is about 187.0718360513.

It can be divided in two parts, 654 and 6742, that added together give a square (7396 = 86²).

The spelling of 6546742 in words is "six million, five hundred forty-six thousand, seven hundred forty-two".