9720037 has 2 divisors, whose sum is σ = 9720038. Its totient is φ = 9720036.

The previous prime is 9720031. The next prime is 9720043. The reversal of 9720037 is 7300279.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (9720031) and next prime (9720043).

It can be written as a sum of positive squares in only one way, i.e., 6713281 + 3006756 = 2591^2 + 1734^2 .

It is a cyclic number.

It is not a de Polignac number, because 9720037 - 2⁷ = 9719909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9719987 and 9720014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9720031) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4860018 + 4860019.

It is an arithmetic number, because the mean of its divisors is an integer number (4860019).

Almost surely, 2^9720037 is an apocalyptic number.

It is an amenable number.

9720037 is a deficient number, since it is larger than the sum of its proper divisors (1).

9720037 is an equidigital number, since it uses as much as digits as its factorization.

9720037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 9720037 is about 3117.6973874961. The cubic root of 9720037 is about 213.4138690613.

The spelling of 9720037 in words is "nine million, seven hundred twenty thousand, thirty-seven".