6540772 has 12 divisors (see below), whose sum is σ = 13081600. Its totient is φ = 2803176.

The previous prime is 6540739. The next prime is 6540827. The reversal of 6540772 is 2770456.

6540772 is an admirable 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 in 3 ways as a sum of consecutive naturals, for example, 116772 + ... + 116827.

Almost surely, 2^6540772 is an apocalyptic number.

It is an amenable number.

6540772 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.

6540772 is a wasteful number, since it uses less digits than its factorization.

6540772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233610 (or 233608 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 6540772 is about 2557.4933039991. The cubic root of 6540772 is about 187.0149549080.

The spelling of 6540772 in words is "six million, five hundred forty thousand, seven hundred seventy-two".