34742369 has 2 divisors, whose sum is σ = 34742370. Its totient is φ = 34742368.

The previous prime is 34742347. The next prime is 34742387. The reversal of 34742369 is 96324743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24373969 + 10368400 = 4937^2 + 3220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34742369 is a prime.

It is a super-2 number, since 2×34742369² = 2414064407464322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (34742969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17371184 + 17371185.

It is an arithmetic number, because the mean of its divisors is an integer number (17371185).

Almost surely, 2^34742369 is an apocalyptic number.

It is an amenable number.

34742369 is a deficient number, since it is larger than the sum of its proper divisors (1).

34742369 is an equidigital number, since it uses as much as digits as its factorization.

34742369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 38.

The square root of 34742369 is about 5894.2657727659. The cubic root of 34742369 is about 326.3020554724.

The spelling of 34742369 in words is "thirty-four million, seven hundred forty-two thousand, three hundred sixty-nine".