7345720201 has 2 divisors, whose sum is σ = 7345720202. Its totient is φ = 7345720200.

The previous prime is 7345720189. The next prime is 7345720231. The reversal of 7345720201 is 1020275437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7136194576 + 209525625 = 84476^2 + 14475^2 .

It is a cyclic number.

It is not a de Polignac number, because 7345720201 - 2¹⁷ = 7345589129 is a prime.

It is not a weakly prime, because it can be changed into another prime (7345720231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3672860100 + 3672860101.

It is an arithmetic number, because the mean of its divisors is an integer number (3672860101).

Almost surely, 2^7345720201 is an apocalyptic number.

It is an amenable number.

7345720201 is a deficient number, since it is larger than the sum of its proper divisors (1).

7345720201 is an equidigital number, since it uses as much as digits as its factorization.

7345720201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 7345720201 is about 85707.1770682012. The cubic root of 7345720201 is about 1943.9188331741.

Adding to 7345720201 its reverse (1020275437), we get a palindrome (8365995638).

The spelling of 7345720201 in words is "seven billion, three hundred forty-five million, seven hundred twenty thousand, two hundred one".