342066420 has 36 divisors (see below), whose sum is σ = 1037602020. Its totient is φ = 91217664.

The previous prime is 342066409. The next prime is 342066433. The reversal of 342066420 is 24660243.

342066420 is a `hidden beast` number, since 34 + 206 + 6 + 420 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 175191696 + 166874724 = 13236^2 + 12918^2 .

It is a tau number, because it is divible by the number of its divisors (36).

342066420 is a modest number, since divided by 66420 gives 3420 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 950005 + ... + 950364.

Almost surely, 2^342066420 is an apocalyptic number.

342066420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342066420 is an abundant number, since it is smaller than the sum of its proper divisors (695535600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342066420 is a wasteful number, since it uses less digits than its factorization.

342066420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900384 (or 1900379 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 342066420 is about 18495.0377128569. The cubic root of 342066420 is about 699.3643344956.

The spelling of 342066420 in words is "three hundred forty-two million, sixty-six thousand, four hundred twenty".