345274769 has 8 divisors (see below), whose sum is σ = 398288448. Its totient is φ = 293183280.

The previous prime is 345274747. The next prime is 345274819. The reversal of 345274769 is 967472543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345274769 - 2²⁰ = 344226193 is a prime.

It is a super-2 number, since 2×345274769² = 238429332216006722, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345274469) 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 7 ways as a sum of consecutive naturals, for example, 229742 + ... + 231239.

It is an arithmetic number, because the mean of its divisors is an integer number (49786056).

Almost surely, 2^345274769 is an apocalyptic number.

It is an amenable number.

345274769 is a deficient number, since it is larger than the sum of its proper divisors (53013679).

345274769 is a wasteful number, since it uses less digits than its factorization.

345274769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461095.

The product of its digits is 1270080, while the sum is 47.

The square root of 345274769 is about 18581.5706817266. The cubic root of 345274769 is about 701.5440535415.

The spelling of 345274769 in words is "three hundred forty-five million, two hundred seventy-four thousand, seven hundred sixty-nine".