340058729 has 2 divisors, whose sum is σ = 340058730. Its totient is φ = 340058728.

The previous prime is 340058707. The next prime is 340058753. The reversal of 340058729 is 927850043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 335732329 + 4326400 = 18323^2 + 2080^2 .

It is a cyclic number.

It is not a de Polignac number, because 340058729 - 2²⁰ = 339010153 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 340058692 and 340058701.

It is not a weakly prime, because it can be changed into another prime (340028729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170029364 + 170029365.

It is an arithmetic number, because the mean of its divisors is an integer number (170029365).

Almost surely, 2^340058729 is an apocalyptic number.

It is an amenable number.

340058729 is a deficient number, since it is larger than the sum of its proper divisors (1).

340058729 is an equidigital number, since it uses as much as digits as its factorization.

340058729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 340058729 is about 18440.6813594292. The cubic root of 340058729 is about 697.9933887437.

The spelling of 340058729 in words is "three hundred forty million, fifty-eight thousand, seven hundred twenty-nine".