834720001 has 2 divisors, whose sum is σ = 834720002. Its totient is φ = 834720000.

The previous prime is 834719993. The next prime is 834720011. The reversal of 834720001 is 100027438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508953600 + 325766401 = 22560^2 + 18049^2 .

It is a cyclic number.

It is not a de Polignac number, because 834720001 - 2³ = 834719993 is a prime.

It is not a weakly prime, because it can be changed into another prime (834720011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417360000 + 417360001.

It is an arithmetic number, because the mean of its divisors is an integer number (417360001).

Almost surely, 2^834720001 is an apocalyptic number.

It is an amenable number.

834720001 is a deficient number, since it is larger than the sum of its proper divisors (1).

834720001 is an equidigital number, since it uses as much as digits as its factorization.

834720001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 834720001 is about 28891.5212648971. The cubic root of 834720001 is about 941.5577013272.

Adding to 834720001 its reverse (100027438), we get a palindrome (934747439).

The spelling of 834720001 in words is "eight hundred thirty-four million, seven hundred twenty thousand, one".