340018741 has 2 divisors, whose sum is σ = 340018742. Its totient is φ = 340018740.

The previous prime is 340018739. The next prime is 340018747. The reversal of 340018741 is 147810043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332916516 + 7102225 = 18246^2 + 2665^2 .

It is a cyclic number.

It is not a de Polignac number, because 340018741 - 2¹ = 340018739 is a prime.

It is a super-2 number, since 2×340018741² = 231225488462450162, which contains 22 as substring.

Together with 340018739, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340018747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170009370 + 170009371.

It is an arithmetic number, because the mean of its divisors is an integer number (170009371).

Almost surely, 2^340018741 is an apocalyptic number.

It is an amenable number.

340018741 is a deficient number, since it is larger than the sum of its proper divisors (1).

340018741 is an equidigital number, since it uses as much as digits as its factorization.

340018741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 340018741 is about 18439.5970942968. The cubic root of 340018741 is about 697.9660283190.

Adding to 340018741 its reverse (147810043), we get a palindrome (487828784).

The spelling of 340018741 in words is "three hundred forty million, eighteen thousand, seven hundred forty-one".