6740735190685 has 16 divisors (see below), whose sum is σ = 8221978402560. Its totient is φ = 5303867941440.

The previous prime is 6740735190661. The next prime is 6740735190719. The reversal of 6740735190685 is 5860915370476.

It is a happy number.

It is not a de Polignac number, because 6740735190685 - 2¹¹ = 6740735188637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4515406 + ... + 5819824.

It is an arithmetic number, because the mean of its divisors is an integer number (513873650160).

Almost surely, 2^{6740735190685} is an apocalyptic number.

It is an amenable number.

6740735190685 is a deficient number, since it is larger than the sum of its proper divisors (1481243211875).

6740735190685 is a wasteful number, since it uses less digits than its factorization.

6740735190685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321428.

The product of its (nonzero) digits is 38102400, while the sum is 61.

The spelling of 6740735190685 in words is "six trillion, seven hundred forty billion, seven hundred thirty-five million, one hundred ninety thousand, six hundred eighty-five".