349260073 has 2 divisors, whose sum is σ = 349260074. Its totient is φ = 349260072.

The previous prime is 349260049. The next prime is 349260077. The reversal of 349260073 is 370062943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307230784 + 42029289 = 17528^2 + 6483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349260073 is a prime.

It is not a weakly prime, because it can be changed into another prime (349260077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174630036 + 174630037.

It is an arithmetic number, because the mean of its divisors is an integer number (174630037).

Almost surely, 2^349260073 is an apocalyptic number.

It is an amenable number.

349260073 is a deficient number, since it is larger than the sum of its proper divisors (1).

349260073 is an equidigital number, since it uses as much as digits as its factorization.

349260073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 349260073 is about 18688.5010902426. The cubic root of 349260073 is about 704.2329050598.

The spelling of 349260073 in words is "three hundred forty-nine million, two hundred sixty thousand, seventy-three".