342505733 has 4 divisors (see below), whose sum is σ = 342546828. Its totient is φ = 342464640.

The previous prime is 342505721. The next prime is 342505741. The reversal of 342505733 is 337505243.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 337505243 = 23 ⋅14674141.

It can be written as a sum of positive squares in 2 ways, for example, as 50027329 + 292478404 = 7073^2 + 17102^2 .

It is a cyclic number.

It is not a de Polignac number, because 342505733 - 2⁴ = 342505717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 342505733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342505703) 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, 3116 + ... + 26357.

It is an arithmetic number, because the mean of its divisors is an integer number (85636707).

Almost surely, 2^342505733 is an apocalyptic number.

It is an amenable number.

342505733 is a deficient number, since it is larger than the sum of its proper divisors (41095).

342505733 is a wasteful number, since it uses less digits than its factorization.

342505733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41094.

The product of its (nonzero) digits is 37800, while the sum is 32.

The square root of 342505733 is about 18506.9104120596. The cubic root of 342505733 is about 699.6636023095.

The spelling of 342505733 in words is "three hundred forty-two million, five hundred five thousand, seven hundred thirty-three".