7420725337 has 2 divisors, whose sum is σ = 7420725338. Its totient is φ = 7420725336.

The previous prime is 7420725293. The next prime is 7420725353. The reversal of 7420725337 is 7335270247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6876389776 + 544335561 = 82924^2 + 23331^2 .

It is an emirp because it is prime and its reverse (7335270247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7420725337 - 2⁷ = 7420725209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7420725337.

It is not a weakly prime, because it can be changed into another prime (7420725397) 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, 3710362668 + 3710362669.

It is an arithmetic number, because the mean of its divisors is an integer number (3710362669).

Almost surely, 2^7420725337 is an apocalyptic number.

It is an amenable number.

7420725337 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420725337 is an equidigital number, since it uses as much as digits as its factorization.

7420725337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 246960, while the sum is 40.

The square root of 7420725337 is about 86143.6320165339. The cubic root of 7420725337 is about 1950.5127152343.

The spelling of 7420725337 in words is "seven billion, four hundred twenty million, seven hundred twenty-five thousand, three hundred thirty-seven".