7721060573 has 2 divisors, whose sum is σ = 7721060574. Its totient is φ = 7721060572.

The previous prime is 7721060549. The next prime is 7721060579. The reversal of 7721060573 is 3750601277.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7059696484 + 661364089 = 84022^2 + 25717^2 .

It is a cyclic number.

It is not a de Polignac number, because 7721060573 - 2¹² = 7721056477 is a prime.

It is a super-2 number, since 2×7721060573² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7721060579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3860530286 + 3860530287.

It is an arithmetic number, because the mean of its divisors is an integer number (3860530287).

Almost surely, 2^7721060573 is an apocalyptic number.

It is an amenable number.

7721060573 is a deficient number, since it is larger than the sum of its proper divisors (1).

7721060573 is an equidigital number, since it uses as much as digits as its factorization.

7721060573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 7721060573 is about 87869.5656811845. The cubic root of 7721060573 is about 1976.4795257134.

The spelling of 7721060573 in words is "seven billion, seven hundred twenty-one million, sixty thousand, five hundred seventy-three".