34747121 has 2 divisors, whose sum is σ = 34747122. Its totient is φ = 34747120.

The previous prime is 34747103. The next prime is 34747127. The reversal of 34747121 is 12174743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32615521 + 2131600 = 5711^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 34747121 - 2¹⁰ = 34746097 is a prime.

It is not a weakly prime, because it can be changed into another prime (34747127) 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, 17373560 + 17373561.

It is an arithmetic number, because the mean of its divisors is an integer number (17373561).

Almost surely, 2^34747121 is an apocalyptic number.

It is an amenable number.

34747121 is a deficient number, since it is larger than the sum of its proper divisors (1).

34747121 is an equidigital number, since it uses as much as digits as its factorization.

34747121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 29.

The square root of 34747121 is about 5894.6688626249. The cubic root of 34747121 is about 326.3169318009.

The spelling of 34747121 in words is "thirty-four million, seven hundred forty-seven thousand, one hundred twenty-one".