6740340337 has 4 divisors (see below), whose sum is σ = 6753741120. Its totient is φ = 6726939556.

The previous prime is 6740340311. The next prime is 6740340367. The reversal of 6740340337 is 7330430476.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6740340337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6740340296 and 6740340305.

It is not an unprimeable number, because it can be changed into a prime (6740340367) 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, 6699637 + ... + 6700642.

It is an arithmetic number, because the mean of its divisors is an integer number (1688435280).

Almost surely, 2^6740340337 is an apocalyptic number.

It is an amenable number.

6740340337 is a deficient number, since it is larger than the sum of its proper divisors (13400783).

6740340337 is a wasteful number, since it uses less digits than its factorization.

6740340337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13400782.

The product of its (nonzero) digits is 127008, while the sum is 37.

The square root of 6740340337 is about 82099.5757419002. The cubic root of 6740340337 is about 1888.9796324050.

The spelling of 6740340337 in words is "six billion, seven hundred forty million, three hundred forty thousand, three hundred thirty-seven".