345075071 has 4 divisors (see below), whose sum is σ = 376445544. Its totient is φ = 313704600.

The previous prime is 345075067. The next prime is 345075121. The reversal of 345075071 is 170570543.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 345075071 - 2² = 345075067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345075271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15685220 + ... + 15685241.

It is an arithmetic number, because the mean of its divisors is an integer number (94111386).

Almost surely, 2^345075071 is an apocalyptic number.

345075071 is a deficient number, since it is larger than the sum of its proper divisors (31370473).

345075071 is a wasteful number, since it uses less digits than its factorization.

345075071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31370472.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 345075071 is about 18576.1963544747. The cubic root of 345075071 is about 701.4087758099.

The spelling of 345075071 in words is "three hundred forty-five million, seventy-five thousand, seventy-one".