7206737 has 2 divisors, whose sum is σ = 7206738. Its totient is φ = 7206736.

The previous prime is 7206701. The next prime is 7206739. The reversal of 7206737 is 7376027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3806401 + 3400336 = 1951^2 + 1844^2 .

It is an emirp because it is prime and its reverse (7376027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7206737 - 2¹² = 7202641 is a prime.

Together with 7206739, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7206739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3603368 + 3603369.

It is an arithmetic number, because the mean of its divisors is an integer number (3603369).

Almost surely, 2^7206737 is an apocalyptic number.

It is an amenable number.

7206737 is a deficient number, since it is larger than the sum of its proper divisors (1).

7206737 is an equidigital number, since it uses as much as digits as its factorization.

7206737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 32.

The square root of 7206737 is about 2684.5366453077. The cubic root of 7206737 is about 193.1580850165.

The spelling of 7206737 in words is "seven million, two hundred six thousand, seven hundred thirty-seven".