342304729 has 4 divisors (see below), whose sum is σ = 368635876. Its totient is φ = 315973584.

The previous prime is 342304691. The next prime is 342304763. The reversal of 342304729 is 927403243.

It is a happy number.

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 91240704 + 251064025 = 9552^2 + 15845^2 .

It is a cyclic number.

It is not a de Polignac number, because 342304729 - 2⁷ = 342304601 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 342304694 and 342304703.

It is not an unprimeable number, because it can be changed into a prime (342304789) 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, 13165554 + ... + 13165579.

It is an arithmetic number, because the mean of its divisors is an integer number (92158969).

Almost surely, 2^342304729 is an apocalyptic number.

It is an amenable number.

342304729 is a deficient number, since it is larger than the sum of its proper divisors (26331147).

342304729 is a wasteful number, since it uses less digits than its factorization.

342304729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26331146.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 342304729 is about 18501.4791030339. The cubic root of 342304729 is about 699.5267065932.

The spelling of 342304729 in words is "three hundred forty-two million, three hundred four thousand, seven hundred twenty-nine".