9720371 has 2 divisors, whose sum is σ = 9720372. Its totient is φ = 9720370.

The previous prime is 9720353. The next prime is 9720377. The reversal of 9720371 is 1730279.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9720371 is a prime.

It is a super-2 number, since 2×9720371² = 188971224755282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9720377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4860185 + 4860186.

It is an arithmetic number, because the mean of its divisors is an integer number (4860186).

Almost surely, 2^9720371 is an apocalyptic number.

9720371 is a deficient number, since it is larger than the sum of its proper divisors (1).

9720371 is an equidigital number, since it uses as much as digits as its factorization.

9720371 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 29.

The square root of 9720371 is about 3117.7509522090. The cubic root of 9720371 is about 213.4163134765.

The spelling of 9720371 in words is "nine million, seven hundred twenty thousand, three hundred seventy-one".