7421736337 has 2 divisors, whose sum is σ = 7421736338. Its totient is φ = 7421736336.

The previous prime is 7421736307. The next prime is 7421736373. The reversal of 7421736337 is 7336371247.

7421736337 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (7421736373) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3974167681 + 3447568656 = 63041^2 + 58716^2 .

It is a cyclic number.

It is not a de Polignac number, because 7421736337 - 2³¹ = 5274252689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7421736293 and 7421736302.

It is not a weakly prime, because it can be changed into another prime (7421736307) 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, 3710868168 + 3710868169.

It is an arithmetic number, because the mean of its divisors is an integer number (3710868169).

Almost surely, 2^7421736337 is an apocalyptic number.

It is an amenable number.

7421736337 is a deficient number, since it is larger than the sum of its proper divisors (1).

7421736337 is an equidigital number, since it uses as much as digits as its factorization.

7421736337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 43.

The square root of 7421736337 is about 86149.4999230988. The cubic root of 7421736337 is about 1950.6012905293.

The spelling of 7421736337 in words is "seven billion, four hundred twenty-one million, seven hundred thirty-six thousand, three hundred thirty-seven".