6740131782 has 16 divisors (see below), whose sum is σ = 14189751360. Its totient is φ = 2128462632.

The previous prime is 6740131771. The next prime is 6740131787. The reversal of 6740131782 is 2871310476.

It is a self number, because there is not a number n which added to its sum of digits gives 6740131782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740131787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29561868 + ... + 29562095.

It is an arithmetic number, because the mean of its divisors is an integer number (886859460).

Almost surely, 2^6740131782 is an apocalyptic number.

6740131782 is an abundant number, since it is smaller than the sum of its proper divisors (7449619578).

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

6740131782 is a wasteful number, since it uses less digits than its factorization.

6740131782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59123987.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 6740131782 is about 82098.3055976188. The cubic root of 6740131782 is about 1888.9601496988.

The spelling of 6740131782 in words is "six billion, seven hundred forty million, one hundred thirty-one thousand, seven hundred eighty-two".