7440731741 has 2 divisors, whose sum is σ = 7440731742. Its totient is φ = 7440731740.

The previous prime is 7440731737. The next prime is 7440731747. The reversal of 7440731741 is 1471370447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5623500100 + 1817231641 = 74990^2 + 42629^2 .

It is a cyclic number.

It is not a de Polignac number, because 7440731741 - 2² = 7440731737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7440731695 and 7440731704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7440731747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3720365870 + 3720365871.

It is an arithmetic number, because the mean of its divisors is an integer number (3720365871).

Almost surely, 2^7440731741 is an apocalyptic number.

It is an amenable number.

7440731741 is a deficient number, since it is larger than the sum of its proper divisors (1).

7440731741 is an equidigital number, since it uses as much as digits as its factorization.

7440731741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 7440731741 is about 86259.6762166425. The cubic root of 7440731741 is about 1952.2640143496.

The spelling of 7440731741 in words is "seven billion, four hundred forty million, seven hundred thirty-one thousand, seven hundred forty-one".