348106729 has 2 divisors, whose sum is σ = 348106730. Its totient is φ = 348106728.

The previous prime is 348106723. The next prime is 348106747. The reversal of 348106729 is 927601843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241025625 + 107081104 = 15525^2 + 10348^2 .

It is a cyclic number.

It is not a de Polignac number, because 348106729 - 2³ = 348106721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 348106691 and 348106700.

It is not a weakly prime, because it can be changed into another prime (348106721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174053364 + 174053365.

It is an arithmetic number, because the mean of its divisors is an integer number (174053365).

Almost surely, 2^348106729 is an apocalyptic number.

It is an amenable number.

348106729 is a deficient number, since it is larger than the sum of its proper divisors (1).

348106729 is an equidigital number, since it uses as much as digits as its factorization.

348106729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 348106729 is about 18657.6185243455. The cubic root of 348106729 is about 703.4568658878.

The spelling of 348106729 in words is "three hundred forty-eight million, one hundred six thousand, seven hundred twenty-nine".