345534769 has 4 divisors (see below), whose sum is σ = 350268196. Its totient is φ = 340801344.

The previous prime is 345534767. The next prime is 345534781. The reversal of 345534769 is 967435543.

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

It can be written as a sum of positive squares in 2 ways, for example, as 198810000 + 146724769 = 14100^2 + 12113^2 .

It is a cyclic number.

It is not a de Polignac number, because 345534769 - 2¹ = 345534767 is a prime.

It is a super-2 number, since 2×345534769² = 238788553175766722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345534767) 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, 2366604 + ... + 2366749.

It is an arithmetic number, because the mean of its divisors is an integer number (87567049).

Almost surely, 2^345534769 is an apocalyptic number.

It is an amenable number.

345534769 is a deficient number, since it is larger than the sum of its proper divisors (4733427).

345534769 is an equidigital number, since it uses as much as digits as its factorization.

345534769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733426.

The product of its digits is 1360800, while the sum is 46.

The square root of 345534769 is about 18588.5655444416. The cubic root of 345534769 is about 701.7201024020.

The spelling of 345534769 in words is "three hundred forty-five million, five hundred thirty-four thousand, seven hundred sixty-nine".