342766505 has 4 divisors (see below), whose sum is σ = 411319812. Its totient is φ = 274213200.

The previous prime is 342766481. The next prime is 342766507. The reversal of 342766505 is 505667243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505667243 = 227 ⋅2227609.

It can be written as a sum of positive squares in 2 ways, for example, as 118635664 + 224130841 = 10892^2 + 14971^2 .

It is not a de Polignac number, because 342766505 - 2¹⁸ = 342504361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342766507) 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, 34276646 + ... + 34276655.

It is an arithmetic number, because the mean of its divisors is an integer number (102829953).

Almost surely, 2^342766505 is an apocalyptic number.

It is an amenable number.

342766505 is a deficient number, since it is larger than the sum of its proper divisors (68553307).

342766505 is an equidigital number, since it uses as much as digits as its factorization.

342766505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68553306.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 342766505 is about 18513.9543318006. The cubic root of 342766505 is about 699.8411238072.

The spelling of 342766505 in words is "three hundred forty-two million, seven hundred sixty-six thousand, five hundred five".