342078242 has 32 divisors (see below), whose sum is σ = 608256000. Its totient is φ = 142549200.

The previous prime is 342078221. The next prime is 342078257. The reversal of 342078242 is 242870243.

It is a junction number, because it is equal to n+sod(n) for n = 342078199 and 342078208.

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 15 ways as a sum of consecutive naturals, for example, 242 + ... + 26157.

It is an arithmetic number, because the mean of its divisors is an integer number (19008000).

Almost surely, 2^342078242 is an apocalyptic number.

342078242 is a deficient number, since it is larger than the sum of its proper divisors (266177758).

342078242 is a wasteful number, since it uses less digits than its factorization.

342078242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26462.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 342078242 is about 18495.3573093358. The cubic root of 342078242 is about 699.3723912057.

The spelling of 342078242 in words is "three hundred forty-two million, seventy-eight thousand, two hundred forty-two".