34753721 has 2 divisors, whose sum is σ = 34753722. Its totient is φ = 34753720.

The previous prime is 34753709. The next prime is 34753723. The reversal of 34753721 is 12735743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27678121 + 7075600 = 5261^2 + 2660^2 .

It is an emirp because it is prime and its reverse (12735743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34753721 - 2⁶ = 34753657 is a prime.

It is a super-2 number, since 2×34753721² = 2415642246691682, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 34753723, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (34753723) 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, 17376860 + 17376861.

It is an arithmetic number, because the mean of its divisors is an integer number (17376861).

Almost surely, 2^34753721 is an apocalyptic number.

It is an amenable number.

34753721 is a deficient number, since it is larger than the sum of its proper divisors (1).

34753721 is an equidigital number, since it uses as much as digits as its factorization.

34753721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 32.

The square root of 34753721 is about 5895.2286639281. The cubic root of 34753721 is about 326.3375911183.

The spelling of 34753721 in words is "thirty-four million, seven hundred fifty-three thousand, seven hundred twenty-one".