34749439 has 2 divisors, whose sum is σ = 34749440. Its totient is φ = 34749438.

The previous prime is 34749437. The next prime is 34749467. The reversal of 34749439 is 93494743.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34749439 - 2¹ = 34749437 is a prime.

Together with 34749437, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 34749395 and 34749404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34749437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17374719 + 17374720.

It is an arithmetic number, because the mean of its divisors is an integer number (17374720).

Almost surely, 2^34749439 is an apocalyptic number.

34749439 is a deficient number, since it is larger than the sum of its proper divisors (1).

34749439 is an equidigital number, since it uses as much as digits as its factorization.

34749439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 43.

The square root of 34749439 is about 5894.8654776848. The cubic root of 34749439 is about 326.3241879016.

The spelling of 34749439 in words is "thirty-four million, seven hundred forty-nine thousand, four hundred thirty-nine".