6540767372 has 12 divisors (see below), whose sum is σ = 11452506576. Its totient is φ = 3268622640.

The previous prime is 6540767371. The next prime is 6540767381. The reversal of 6540767372 is 2737670456.

It is not an unprimeable number, because it can be changed into a prime (6540767371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431888 + ... + 446775.

It is an arithmetic number, because the mean of its divisors is an integer number (954375548).

Almost surely, 2^6540767372 is an apocalyptic number.

It is an amenable number.

6540767372 is a deficient number, since it is larger than the sum of its proper divisors (4911739204).

6540767372 is a wasteful number, since it uses less digits than its factorization.

6540767372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880528 (or 880526 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 47.

The square root of 6540767372 is about 80875.0108006175. The cubic root of 6540767372 is about 1870.1491079974.

The spelling of 6540767372 in words is "six billion, five hundred forty million, seven hundred sixty-seven thousand, three hundred seventy-two".