345274771 has 4 divisors (see below), whose sum is σ = 349434792. Its totient is φ = 341114752.

The previous prime is 345274747. The next prime is 345274819. The reversal of 345274771 is 177472543.

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

It is a cyclic number.

It is not a de Polignac number, because 345274771 - 2¹¹ = 345272723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345274271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2079886 + ... + 2080051.

It is an arithmetic number, because the mean of its divisors is an integer number (87358698).

Almost surely, 2^345274771 is an apocalyptic number.

345274771 is a deficient number, since it is larger than the sum of its proper divisors (4160021).

345274771 is an equidigital number, since it uses as much as digits as its factorization.

345274771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160020.

The product of its digits is 164640, while the sum is 40.

The square root of 345274771 is about 18581.5707355433. The cubic root of 345274771 is about 701.5440548961.

The spelling of 345274771 in words is "three hundred forty-five million, two hundred seventy-four thousand, seven hundred seventy-one".