7373373781 has 2 divisors, whose sum is σ = 7373373782. Its totient is φ = 7373373780.

The previous prime is 7373373769. The next prime is 7373373793. The reversal of 7373373781 is 1873733737.

It is a balanced prime because it is at equal distance from previous prime (7373373769) and next prime (7373373793).

It can be written as a sum of positive squares in only one way, i.e., 7024954225 + 348419556 = 83815^2 + 18666^2 .

It is a cyclic number.

It is not a de Polignac number, because 7373373781 - 2⁹ = 7373373269 is a prime.

It is a super-2 number, since 2×7373373781² (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 (7373373181) 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, 3686686890 + 3686686891.

It is an arithmetic number, because the mean of its divisors is an integer number (3686686891).

Almost surely, 2^7373373781 is an apocalyptic number.

It is an amenable number.

7373373781 is a deficient number, since it is larger than the sum of its proper divisors (1).

7373373781 is an equidigital number, since it uses as much as digits as its factorization.

7373373781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555848, while the sum is 49.

The square root of 7373373781 is about 85868.3514515098. The cubic root of 7373373781 is about 1946.3551270299.

The spelling of 7373373781 in words is "seven billion, three hundred seventy-three million, three hundred seventy-three thousand, seven hundred eighty-one".