6540774 has 8 divisors (see below), whose sum is σ = 13081560. Its totient is φ = 2180256.

The previous prime is 6540739. The next prime is 6540827. The reversal of 6540774 is 4770456.

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

6540774 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545059 + ... + 545070.

It is an arithmetic number, because the mean of its divisors is an integer number (1635195).

Almost surely, 2^6540774 is an apocalyptic number.

6540774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6540774 is a wasteful number, since it uses less digits than its factorization.

6540774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090134.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 6540774 is about 2557.4936950069. The cubic root of 6540774 is about 187.0149739694.

The spelling of 6540774 in words is "six million, five hundred forty thousand, seven hundred seventy-four".