6768507540 has 48 divisors (see below), whose sum is σ = 19262517120. Its totient is φ = 1775345280.

The previous prime is 6768507539. The next prime is 6768507563. The reversal of 6768507540 is 457058676.

It is a self number, because there is not a number n which added to its sum of digits gives 6768507540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921000 + ... + 928319.

It is an arithmetic number, because the mean of its divisors is an integer number (401302440).

Almost surely, 2^6768507540 is an apocalyptic number.

6768507540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6768507540 is an abundant number, since it is smaller than the sum of its proper divisors (12494009580).

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

6768507540 is a wasteful number, since it uses less digits than its factorization.

6768507540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849392 (or 1849390 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The square root of 6768507540 is about 82270.9398268915. The cubic root of 6768507540 is about 1891.6072607719.

The spelling of 6768507540 in words is "six billion, seven hundred sixty-eight million, five hundred seven thousand, five hundred forty".