9970237 has 2 divisors, whose sum is σ = 9970238. Its totient is φ = 9970236.

The previous prime is 9970223. The next prime is 9970241. The reversal of 9970237 is 7320799.

9970237 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5597956 + 4372281 = 2366^2 + 2091^2 .

It is an emirp because it is prime and its reverse (7320799) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9970237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9970196 and 9970205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9970537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4985118 + 4985119.

It is an arithmetic number, because the mean of its divisors is an integer number (4985119).

Almost surely, 2^9970237 is an apocalyptic number.

It is an amenable number.

9970237 is a deficient number, since it is larger than the sum of its proper divisors (1).

9970237 is an equidigital number, since it uses as much as digits as its factorization.

9970237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 9970237 is about 3157.5682098729. The cubic root of 9970237 is about 215.2295151334.

The spelling of 9970237 in words is "nine million, nine hundred seventy thousand, two hundred thirty-seven".