342427305 has 32 divisors (see below), whose sum is σ = 605900160. Its totient is φ = 163745280.

The previous prime is 342427301. The next prime is 342427307. The reversal of 342427305 is 503724243.

It is not a de Polignac number, because 342427305 - 2² = 342427301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342427301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2170 + ... + 26259.

It is an arithmetic number, because the mean of its divisors is an integer number (18934380).

Almost surely, 2^342427305 is an apocalyptic number.

It is an amenable number.

342427305 is a deficient number, since it is larger than the sum of its proper divisors (263472855).

342427305 is a wasteful number, since it uses less digits than its factorization.

342427305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28521.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 342427305 is about 18504.7914065520. The cubic root of 342427305 is about 699.6101945359.

The spelling of 342427305 in words is "three hundred forty-two million, four hundred twenty-seven thousand, three hundred five".