342019729 has 8 divisors (see below), whose sum is σ = 358376832. Its totient is φ = 325786560.

The previous prime is 342019697. The next prime is 342019747. The reversal of 342019729 is 927910243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 342019729 - 2⁵ = 342019697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342019129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25309 + ... + 36394.

It is an arithmetic number, because the mean of its divisors is an integer number (44797104).

Almost surely, 2^342019729 is an apocalyptic number.

It is an amenable number.

342019729 is a deficient number, since it is larger than the sum of its proper divisors (16357103).

342019729 is a wasteful number, since it uses less digits than its factorization.

342019729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61967.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 342019729 is about 18493.7754122840. The cubic root of 342019729 is about 699.3325126972.

The spelling of 342019729 in words is "three hundred forty-two million, nineteen thousand, seven hundred twenty-nine".