6540674 has 32 divisors (see below), whose sum is σ = 12011520. Its totient is φ = 2608848.

The previous prime is 6540673. The next prime is 6540679. The reversal of 6540674 is 4760456.

It is a self number, because there is not a number n which added to its sum of digits gives 6540674.

It is not an unprimeable number, because it can be changed into a prime (6540673) 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 15 ways as a sum of consecutive naturals, for example, 17639 + ... + 18005.

It is an arithmetic number, because the mean of its divisors is an integer number (375360).

Almost surely, 2^6540674 is an apocalyptic number.

6540674 is a deficient number, since it is larger than the sum of its proper divisors (5470846).

6540674 is a wasteful number, since it uses less digits than its factorization.

6540674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 6540674 is about 2557.4741445418. The cubic root of 6540674 is about 187.0140208920.

The spelling of 6540674 in words is "six million, five hundred forty thousand, six hundred seventy-four".