349711073 has 4 divisors (see below), whose sum is σ = 352227120. Its totient is φ = 347195028.

The previous prime is 349711039. The next prime is 349711081. The reversal of 349711073 is 370117943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 349711073 - 2¹² = 349706977 is a prime.

It is a super-2 number, since 2×349711073² = 244595669157622658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349711273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257815 + ... + 1258092.

It is an arithmetic number, because the mean of its divisors is an integer number (88056780).

Almost surely, 2^349711073 is an apocalyptic number.

It is an amenable number.

349711073 is a deficient number, since it is larger than the sum of its proper divisors (2516047).

349711073 is a wasteful number, since it uses less digits than its factorization.

349711073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516046.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 349711073 is about 18700.5634407095. The cubic root of 349711073 is about 704.5359003090.

The spelling of 349711073 in words is "three hundred forty-nine million, seven hundred eleven thousand, seventy-three".