6743340437 has 4 divisors (see below), whose sum is σ = 6747215436. Its totient is φ = 6739465440.

The previous prime is 6743340371. The next prime is 6743340451. The reversal of 6743340437 is 7340433476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 527437156 + 6215903281 = 22966^2 + 78841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6743340437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6743340394 and 6743340403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6743340337) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1934888 + ... + 1938369.

It is an arithmetic number, because the mean of its divisors is an integer number (1686803859).

Almost surely, 2^6743340437 is an apocalyptic number.

It is an amenable number.

6743340437 is a deficient number, since it is larger than the sum of its proper divisors (3874999).

6743340437 is a wasteful number, since it uses less digits than its factorization.

6743340437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874998.

The product of its (nonzero) digits is 508032, while the sum is 41.

The square root of 6743340437 is about 82117.8448146321. The cubic root of 6743340437 is about 1889.2598500653.

The spelling of 6743340437 in words is "six billion, seven hundred forty-three million, three hundred forty thousand, four hundred thirty-seven".