342832739 has 2 divisors, whose sum is σ = 342832740. Its totient is φ = 342832738.

The previous prime is 342832729. The next prime is 342832741. The reversal of 342832739 is 937238243.

It is a strong prime.

It is an emirp because it is prime and its reverse (937238243) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342832739 is a prime.

Together with 342832741, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_18438917 and since 342832739 and 18438917 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 342832696 and 342832705.

It is not a weakly prime, because it can be changed into another prime (342832729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171416369 + 171416370.

It is an arithmetic number, because the mean of its divisors is an integer number (171416370).

Almost surely, 2^342832739 is an apocalyptic number.

342832739 is a deficient number, since it is larger than the sum of its proper divisors (1).

342832739 is an equidigital number, since it uses as much as digits as its factorization.

342832739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 41.

The square root of 342832739 is about 18515.7430042653. The cubic root of 342832739 is about 699.8861985067.

The spelling of 342832739 in words is "three hundred forty-two million, eight hundred thirty-two thousand, seven hundred thirty-nine".