7322718461 has 2 divisors, whose sum is σ = 7322718462. Its totient is φ = 7322718460.

The previous prime is 7322718451. The next prime is 7322718479. The reversal of 7322718461 is 1648172237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4068015961 + 3254702500 = 63781^2 + 57050^2 .

It is a cyclic number.

It is not a de Polignac number, because 7322718461 - 2²⁶ = 7255609597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7322718401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3661359230 + 3661359231.

It is an arithmetic number, because the mean of its divisors is an integer number (3661359231).

Almost surely, 2^7322718461 is an apocalyptic number.

It is an amenable number.

7322718461 is a deficient number, since it is larger than the sum of its proper divisors (1).

7322718461 is an equidigital number, since it uses as much as digits as its factorization.

7322718461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 41.

The square root of 7322718461 is about 85572.8839119028. The cubic root of 7322718461 is about 1941.8877063698.

The spelling of 7322718461 in words is "seven billion, three hundred twenty-two million, seven hundred eighteen thousand, four hundred sixty-one".