6740403427 has 2 divisors, whose sum is σ = 6740403428. Its totient is φ = 6740403426.

The previous prime is 6740403421. The next prime is 6740403431. The reversal of 6740403427 is 7243040476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6740403427 - 2²³ = 6732014819 is a prime.

It is not a weakly prime, because it can be changed into another prime (6740403421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3370201713 + 3370201714.

It is an arithmetic number, because the mean of its divisors is an integer number (3370201714).

Almost surely, 2^6740403427 is an apocalyptic number.

6740403427 is a deficient number, since it is larger than the sum of its proper divisors (1).

6740403427 is an equidigital number, since it uses as much as digits as its factorization.

6740403427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 37.

The square root of 6740403427 is about 82099.9599695396. The cubic root of 6740403427 is about 1888.9855260418.

The spelling of 6740403427 in words is "six billion, seven hundred forty million, four hundred three thousand, four hundred twenty-seven".