34769921 has 2 divisors, whose sum is σ = 34769922. Its totient is φ = 34769920.

The previous prime is 34769887. The next prime is 34769923. The reversal of 34769921 is 12996743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21520321 + 13249600 = 4639^2 + 3640^2 .

It is an emirp because it is prime and its reverse (12996743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34769921 - 2⁶ = 34769857 is a prime.

Together with 34769923, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34769923) 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, 17384960 + 17384961.

It is an arithmetic number, because the mean of its divisors is an integer number (17384961).

Almost surely, 2^34769921 is an apocalyptic number.

It is an amenable number.

34769921 is a deficient number, since it is larger than the sum of its proper divisors (1).

34769921 is an equidigital number, since it uses as much as digits as its factorization.

34769921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 41.

The square root of 34769921 is about 5896.6024963533. The cubic root of 34769921 is about 326.3882892651.

The spelling of 34769921 in words is "thirty-four million, seven hundred sixty-nine thousand, nine hundred twenty-one".