334721873 has 2 divisors, whose sum is σ = 334721874. Its totient is φ = 334721872.

The previous prime is 334721843. The next prime is 334721897. The reversal of 334721873 is 378127433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334597264 + 124609 = 18292^2 + 353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-334721873 is a prime.

It is a super-2 number, since 2×334721873² = 224077464529256258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (334721843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167360936 + 167360937.

It is an arithmetic number, because the mean of its divisors is an integer number (167360937).

Almost surely, 2^334721873 is an apocalyptic number.

It is an amenable number.

334721873 is a deficient number, since it is larger than the sum of its proper divisors (1).

334721873 is an equidigital number, since it uses as much as digits as its factorization.

334721873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 38.

The square root of 334721873 is about 18295.4057894325. The cubic root of 334721873 is about 694.3227002386.

The spelling of 334721873 in words is "three hundred thirty-four million, seven hundred twenty-one thousand, eight hundred seventy-three".