34284739 has 2 divisors, whose sum is σ = 34284740. Its totient is φ = 34284738.

The previous prime is 34284737. The next prime is 34284779. The reversal of 34284739 is 93748243.

It is an a-pointer prime, because the next prime (34284779) can be obtained adding 34284739 to its sum of digits (40).

It is a weak prime.

It is an emirp because it is prime and its reverse (93748243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34284739 - 2¹ = 34284737 is a prime.

Together with 34284737, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34284737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17142369 + 17142370.

It is an arithmetic number, because the mean of its divisors is an integer number (17142370).

Almost surely, 2^34284739 is an apocalyptic number.

34284739 is a deficient number, since it is larger than the sum of its proper divisors (1).

34284739 is an equidigital number, since it uses as much as digits as its factorization.

34284739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The square root of 34284739 is about 5855.3171562265. The cubic root of 34284739 is about 324.8630239343.

The spelling of 34284739 in words is "thirty-four million, two hundred eighty-four thousand, seven hundred thirty-nine".