349723079 has 2 divisors, whose sum is σ = 349723080. Its totient is φ = 349723078.

The previous prime is 349723057. The next prime is 349723091. The reversal of 349723079 is 970327943.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349723079 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349723019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174861539 + 174861540.

It is an arithmetic number, because the mean of its divisors is an integer number (174861540).

Almost surely, 2^349723079 is an apocalyptic number.

349723079 is a deficient number, since it is larger than the sum of its proper divisors (1).

349723079 is an equidigital number, since it uses as much as digits as its factorization.

349723079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 44.

The square root of 349723079 is about 18700.8844443251. The cubic root of 349723079 is about 704.5439627372.

The spelling of 349723079 in words is "three hundred forty-nine million, seven hundred twenty-three thousand, seventy-nine".