4345739 has 2 divisors, whose sum is σ = 4345740. Its totient is φ = 4345738.

The previous prime is 4345729. The next prime is 4345741. The reversal of 4345739 is 9375434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4345739 - 2⁴ = 4345723 is a prime.

It is a super-2 number, since 2×4345739² = 37770894912242, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4345741, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4345699 and 4345708.

It is not a weakly prime, because it can be changed into another prime (4345729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2172869 + 2172870.

It is an arithmetic number, because the mean of its divisors is an integer number (2172870).

Almost surely, 2^4345739 is an apocalyptic number.

4345739 is a deficient number, since it is larger than the sum of its proper divisors (1).

4345739 is an equidigital number, since it uses as much as digits as its factorization.

4345739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 35.

The square root of 4345739 is about 2084.6436146258. The cubic root of 4345739 is about 163.1878722525.

The spelling of 4345739 in words is "four million, three hundred forty-five thousand, seven hundred thirty-nine".